Restoring authorship annotation for Andrey Khalyavin <halyavin@gmail.com>. Commit 1 of 2.

1 files changed, 1009 insertions, 1009 deletions

diff --git a/contrib/libs/cxxsupp/libcxx/include/ios b/contrib/libs/cxxsupp/libcxx/include/ios
index c9230d6a94..c95c4c8685 100644
--- a/contrib/libs/cxxsupp/libcxx/include/ios
+++ b/contrib/libs/cxxsupp/libcxx/include/ios
@@ -1,1028 +1,1028 @@
-// -*- C++ -*-
-//===---------------------------- ios -------------------------------------===//
-//
+// -*- C++ -*- 
+//===---------------------------- ios -------------------------------------===// 
+// 
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef _LIBCPP_IOS
-#define _LIBCPP_IOS
-
-/*
-    ios synopsis
-
-#include <iosfwd>
-
-namespace std
-{
-
-typedef OFF_T streamoff;
-typedef SZ_T streamsize;
-template <class stateT> class fpos;
-
-class ios_base
-{
-public:
-    class failure;
-
-    typedef T1 fmtflags;
-    static constexpr fmtflags boolalpha;
-    static constexpr fmtflags dec;
-    static constexpr fmtflags fixed;
-    static constexpr fmtflags hex;
-    static constexpr fmtflags internal;
-    static constexpr fmtflags left;
-    static constexpr fmtflags oct;
-    static constexpr fmtflags right;
-    static constexpr fmtflags scientific;
-    static constexpr fmtflags showbase;
-    static constexpr fmtflags showpoint;
-    static constexpr fmtflags showpos;
-    static constexpr fmtflags skipws;
-    static constexpr fmtflags unitbuf;
-    static constexpr fmtflags uppercase;
-    static constexpr fmtflags adjustfield;
-    static constexpr fmtflags basefield;
-    static constexpr fmtflags floatfield;
-
-    typedef T2 iostate;
-    static constexpr iostate badbit;
-    static constexpr iostate eofbit;
-    static constexpr iostate failbit;
-    static constexpr iostate goodbit;
-
-    typedef T3 openmode;
-    static constexpr openmode app;
-    static constexpr openmode ate;
-    static constexpr openmode binary;
-    static constexpr openmode in;
-    static constexpr openmode out;
-    static constexpr openmode trunc;
-
-    typedef T4 seekdir;
-    static constexpr seekdir beg;
-    static constexpr seekdir cur;
-    static constexpr seekdir end;
-
-    class Init;
-
-    // 27.5.2.2 fmtflags state:
-    fmtflags flags() const;
-    fmtflags flags(fmtflags fmtfl);
-    fmtflags setf(fmtflags fmtfl);
-    fmtflags setf(fmtflags fmtfl, fmtflags mask);
-    void unsetf(fmtflags mask);
-
-    streamsize precision() const;
-    streamsize precision(streamsize prec);
-    streamsize width() const;
-    streamsize width(streamsize wide);
-
-    // 27.5.2.3 locales:
-    locale imbue(const locale& loc);
-    locale getloc() const;
-
-    // 27.5.2.5 storage:
-    static int xalloc();
-    long& iword(int index);
-    void*& pword(int index);
-
-    // destructor
-    virtual ~ios_base();
-
-    // 27.5.2.6 callbacks;
-    enum event { erase_event, imbue_event, copyfmt_event };
-    typedef void (*event_callback)(event, ios_base&, int index);
-    void register_callback(event_callback fn, int index);
-
-    ios_base(const ios_base&) = delete;
-    ios_base& operator=(const ios_base&) = delete;
-
-    static bool sync_with_stdio(bool sync = true);
-
-protected:
-    ios_base();
-};
-
-template <class charT, class traits = char_traits<charT> >
-class basic_ios
-    : public ios_base
-{
-public:
-    // types:
-    typedef charT char_type;
-    typedef typename traits::int_type int_type;  // removed in C++17
-    typedef typename traits::pos_type pos_type;  // removed in C++17
-    typedef typename traits::off_type off_type;  // removed in C++17
-    typedef traits traits_type;
-
-    operator unspecified-bool-type() const;
-    bool operator!() const;
-    iostate rdstate() const;
-    void clear(iostate state = goodbit);
-    void setstate(iostate state);
-    bool good() const;
-    bool eof() const;
-    bool fail() const;
-    bool bad() const;
-
-    iostate exceptions() const;
-    void exceptions(iostate except);
-
-    // 27.5.4.1 Constructor/destructor:
-    explicit basic_ios(basic_streambuf<charT,traits>* sb);
-    virtual ~basic_ios();
-
-    // 27.5.4.2 Members:
-    basic_ostream<charT,traits>* tie() const;
-    basic_ostream<charT,traits>* tie(basic_ostream<charT,traits>* tiestr);
-
-    basic_streambuf<charT,traits>* rdbuf() const;
-    basic_streambuf<charT,traits>* rdbuf(basic_streambuf<charT,traits>* sb);
-
-    basic_ios& copyfmt(const basic_ios& rhs);
-
-    char_type fill() const;
-    char_type fill(char_type ch);
-
-    locale imbue(const locale& loc);
-
-    char narrow(char_type c, char dfault) const;
-    char_type widen(char c) const;
-
-    basic_ios(const basic_ios& ) = delete;
-    basic_ios& operator=(const basic_ios&) = delete;
-
-protected:
-    basic_ios();
-    void init(basic_streambuf<charT,traits>* sb);
-    void move(basic_ios& rhs);
-    void swap(basic_ios& rhs) noexcept;
-    void set_rdbuf(basic_streambuf<charT, traits>* sb);
-};
-
-// 27.5.5, manipulators:
-ios_base& boolalpha (ios_base& str);
-ios_base& noboolalpha(ios_base& str);
-ios_base& showbase (ios_base& str);
-ios_base& noshowbase (ios_base& str);
-ios_base& showpoint (ios_base& str);
-ios_base& noshowpoint(ios_base& str);
-ios_base& showpos (ios_base& str);
-ios_base& noshowpos (ios_base& str);
-ios_base& skipws (ios_base& str);
-ios_base& noskipws (ios_base& str);
-ios_base& uppercase (ios_base& str);
-ios_base& nouppercase(ios_base& str);
-ios_base& unitbuf (ios_base& str);
-ios_base& nounitbuf (ios_base& str);
-
-// 27.5.5.2 adjustfield:
-ios_base& internal (ios_base& str);
-ios_base& left (ios_base& str);
-ios_base& right (ios_base& str);
-
-// 27.5.5.3 basefield:
-ios_base& dec (ios_base& str);
-ios_base& hex (ios_base& str);
-ios_base& oct (ios_base& str);
-
-// 27.5.5.4 floatfield:
-ios_base& fixed (ios_base& str);
-ios_base& scientific (ios_base& str);
-ios_base& hexfloat (ios_base& str);
-ios_base& defaultfloat(ios_base& str);
-
-// 27.5.5.5 error reporting:
-enum class io_errc
-{
-    stream = 1
-};
-
-concept_map ErrorCodeEnum<io_errc> { };
+// 
+//===----------------------------------------------------------------------===// 
+ 
+#ifndef _LIBCPP_IOS 
+#define _LIBCPP_IOS 
+ 
+/* 
+    ios synopsis 
+ 
+#include <iosfwd> 
+ 
+namespace std 
+{ 
+ 
+typedef OFF_T streamoff; 
+typedef SZ_T streamsize; 
+template <class stateT> class fpos; 
+ 
+class ios_base 
+{ 
+public: 
+    class failure; 
+ 
+    typedef T1 fmtflags; 
+    static constexpr fmtflags boolalpha; 
+    static constexpr fmtflags dec; 
+    static constexpr fmtflags fixed; 
+    static constexpr fmtflags hex; 
+    static constexpr fmtflags internal; 
+    static constexpr fmtflags left; 
+    static constexpr fmtflags oct; 
+    static constexpr fmtflags right; 
+    static constexpr fmtflags scientific; 
+    static constexpr fmtflags showbase; 
+    static constexpr fmtflags showpoint; 
+    static constexpr fmtflags showpos; 
+    static constexpr fmtflags skipws; 
+    static constexpr fmtflags unitbuf; 
+    static constexpr fmtflags uppercase; 
+    static constexpr fmtflags adjustfield; 
+    static constexpr fmtflags basefield; 
+    static constexpr fmtflags floatfield; 
+ 
+    typedef T2 iostate; 
+    static constexpr iostate badbit; 
+    static constexpr iostate eofbit; 
+    static constexpr iostate failbit; 
+    static constexpr iostate goodbit; 
+ 
+    typedef T3 openmode; 
+    static constexpr openmode app; 
+    static constexpr openmode ate; 
+    static constexpr openmode binary; 
+    static constexpr openmode in; 
+    static constexpr openmode out; 
+    static constexpr openmode trunc; 
+ 
+    typedef T4 seekdir; 
+    static constexpr seekdir beg; 
+    static constexpr seekdir cur; 
+    static constexpr seekdir end; 
+ 
+    class Init; 
+ 
+    // 27.5.2.2 fmtflags state: 
+    fmtflags flags() const; 
+    fmtflags flags(fmtflags fmtfl); 
+    fmtflags setf(fmtflags fmtfl); 
+    fmtflags setf(fmtflags fmtfl, fmtflags mask); 
+    void unsetf(fmtflags mask); 
+ 
+    streamsize precision() const; 
+    streamsize precision(streamsize prec); 
+    streamsize width() const; 
+    streamsize width(streamsize wide); 
+ 
+    // 27.5.2.3 locales: 
+    locale imbue(const locale& loc); 
+    locale getloc() const; 
+ 
+    // 27.5.2.5 storage: 
+    static int xalloc(); 
+    long& iword(int index); 
+    void*& pword(int index); 
+ 
+    // destructor 
+    virtual ~ios_base(); 
+ 
+    // 27.5.2.6 callbacks; 
+    enum event { erase_event, imbue_event, copyfmt_event }; 
+    typedef void (*event_callback)(event, ios_base&, int index); 
+    void register_callback(event_callback fn, int index); 
+ 
+    ios_base(const ios_base&) = delete; 
+    ios_base& operator=(const ios_base&) = delete; 
+ 
+    static bool sync_with_stdio(bool sync = true); 
+ 
+protected: 
+    ios_base(); 
+}; 
+ 
+template <class charT, class traits = char_traits<charT> > 
+class basic_ios 
+    : public ios_base 
+{ 
+public: 
+    // types: 
+    typedef charT char_type; 
+    typedef typename traits::int_type int_type;  // removed in C++17 
+    typedef typename traits::pos_type pos_type;  // removed in C++17 
+    typedef typename traits::off_type off_type;  // removed in C++17 
+    typedef traits traits_type; 
+ 
+    operator unspecified-bool-type() const; 
+    bool operator!() const; 
+    iostate rdstate() const; 
+    void clear(iostate state = goodbit); 
+    void setstate(iostate state); 
+    bool good() const; 
+    bool eof() const; 
+    bool fail() const; 
+    bool bad() const; 
+ 
+    iostate exceptions() const; 
+    void exceptions(iostate except); 
+ 
+    // 27.5.4.1 Constructor/destructor: 
+    explicit basic_ios(basic_streambuf<charT,traits>* sb); 
+    virtual ~basic_ios(); 
+ 
+    // 27.5.4.2 Members: 
+    basic_ostream<charT,traits>* tie() const; 
+    basic_ostream<charT,traits>* tie(basic_ostream<charT,traits>* tiestr); 
+ 
+    basic_streambuf<charT,traits>* rdbuf() const; 
+    basic_streambuf<charT,traits>* rdbuf(basic_streambuf<charT,traits>* sb); 
+ 
+    basic_ios& copyfmt(const basic_ios& rhs); 
+ 
+    char_type fill() const; 
+    char_type fill(char_type ch); 
+ 
+    locale imbue(const locale& loc); 
+ 
+    char narrow(char_type c, char dfault) const; 
+    char_type widen(char c) const; 
+ 
+    basic_ios(const basic_ios& ) = delete; 
+    basic_ios& operator=(const basic_ios&) = delete; 
+ 
+protected: 
+    basic_ios(); 
+    void init(basic_streambuf<charT,traits>* sb); 
+    void move(basic_ios& rhs); 
+    void swap(basic_ios& rhs) noexcept; 
+    void set_rdbuf(basic_streambuf<charT, traits>* sb); 
+}; 
+ 
+// 27.5.5, manipulators: 
+ios_base& boolalpha (ios_base& str); 
+ios_base& noboolalpha(ios_base& str); 
+ios_base& showbase (ios_base& str); 
+ios_base& noshowbase (ios_base& str); 
+ios_base& showpoint (ios_base& str); 
+ios_base& noshowpoint(ios_base& str); 
+ios_base& showpos (ios_base& str); 
+ios_base& noshowpos (ios_base& str); 
+ios_base& skipws (ios_base& str); 
+ios_base& noskipws (ios_base& str); 
+ios_base& uppercase (ios_base& str); 
+ios_base& nouppercase(ios_base& str); 
+ios_base& unitbuf (ios_base& str); 
+ios_base& nounitbuf (ios_base& str); 
+ 
+// 27.5.5.2 adjustfield: 
+ios_base& internal (ios_base& str); 
+ios_base& left (ios_base& str); 
+ios_base& right (ios_base& str); 
+ 
+// 27.5.5.3 basefield: 
+ios_base& dec (ios_base& str); 
+ios_base& hex (ios_base& str); 
+ios_base& oct (ios_base& str); 
+ 
+// 27.5.5.4 floatfield: 
+ios_base& fixed (ios_base& str); 
+ios_base& scientific (ios_base& str); 
+ios_base& hexfloat (ios_base& str); 
+ios_base& defaultfloat(ios_base& str); 
+ 
+// 27.5.5.5 error reporting: 
+enum class io_errc 
+{ 
+    stream = 1 
+}; 
+ 
+concept_map ErrorCodeEnum<io_errc> { }; 
 error_code make_error_code(io_errc e) noexcept;
 error_condition make_error_condition(io_errc e) noexcept;
-storage-class-specifier const error_category& iostream_category() noexcept;
-
-}  // std
-
-*/
-
-#include <__config>
-#include <__locale>
-#include <iosfwd>
-#include <system_error>
-
-#if !defined(_LIBCPP_HAS_NO_ATOMIC_HEADER)
-#include <atomic>     // for __xindex_
-#endif
-
-#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
-#pragma GCC system_header
-#endif
-
-_LIBCPP_BEGIN_NAMESPACE_STD
-
-typedef ptrdiff_t streamsize;
-
-class _LIBCPP_TYPE_VIS ios_base
-{
-public:
-    class _LIBCPP_EXCEPTION_ABI failure;
-
-    typedef unsigned int fmtflags;
-    static const fmtflags boolalpha   = 0x0001;
-    static const fmtflags dec         = 0x0002;
-    static const fmtflags fixed       = 0x0004;
-    static const fmtflags hex         = 0x0008;
-    static const fmtflags internal    = 0x0010;
-    static const fmtflags left        = 0x0020;
-    static const fmtflags oct         = 0x0040;
-    static const fmtflags right       = 0x0080;
-    static const fmtflags scientific  = 0x0100;
-    static const fmtflags showbase    = 0x0200;
-    static const fmtflags showpoint   = 0x0400;
-    static const fmtflags showpos     = 0x0800;
-    static const fmtflags skipws      = 0x1000;
-    static const fmtflags unitbuf     = 0x2000;
-    static const fmtflags uppercase   = 0x4000;
-    static const fmtflags adjustfield = left | right | internal;
-    static const fmtflags basefield   = dec | oct | hex;
-    static const fmtflags floatfield  = scientific | fixed;
-
-    typedef unsigned int iostate;
-    static const iostate badbit  = 0x1;
-    static const iostate eofbit  = 0x2;
-    static const iostate failbit = 0x4;
-    static const iostate goodbit = 0x0;
-
-    typedef unsigned int openmode;
-    static const openmode app    = 0x01;
-    static const openmode ate    = 0x02;
-    static const openmode binary = 0x04;
-    static const openmode in     = 0x08;
-    static const openmode out    = 0x10;
-    static const openmode trunc  = 0x20;
-
-    enum seekdir {beg, cur, end};
-
-#if _LIBCPP_STD_VER <= 14
-    typedef iostate      io_state;
-    typedef openmode     open_mode;
-    typedef seekdir      seek_dir;
-
-    typedef _VSTD::streamoff streamoff;
-    typedef _VSTD::streampos streampos;
-#endif
-
-    class _LIBCPP_TYPE_VIS Init;
-
-    // 27.5.2.2 fmtflags state:
-    _LIBCPP_INLINE_VISIBILITY fmtflags flags() const;
-    _LIBCPP_INLINE_VISIBILITY fmtflags flags(fmtflags __fmtfl);
-    _LIBCPP_INLINE_VISIBILITY fmtflags setf(fmtflags __fmtfl);
-    _LIBCPP_INLINE_VISIBILITY fmtflags setf(fmtflags __fmtfl, fmtflags __mask);
-    _LIBCPP_INLINE_VISIBILITY void unsetf(fmtflags __mask);
-
-    _LIBCPP_INLINE_VISIBILITY streamsize precision() const;
-    _LIBCPP_INLINE_VISIBILITY streamsize precision(streamsize __prec);
-    _LIBCPP_INLINE_VISIBILITY streamsize width() const;
-    _LIBCPP_INLINE_VISIBILITY streamsize width(streamsize __wide);
-
-    // 27.5.2.3 locales:
-    locale imbue(const locale& __loc);
-    locale getloc() const;
-
-    // 27.5.2.5 storage:
-    static int xalloc();
-    long& iword(int __index);
-    void*& pword(int __index);
-
-    // destructor
-    virtual ~ios_base();
-
-    // 27.5.2.6 callbacks;
-    enum event { erase_event, imbue_event, copyfmt_event };
-    typedef void (*event_callback)(event, ios_base&, int __index);
-    void register_callback(event_callback __fn, int __index);
-
-private:
-    ios_base(const ios_base&); // = delete;
-    ios_base& operator=(const ios_base&); // = delete;
-
-public:
-    static bool sync_with_stdio(bool __sync = true);
-
-    _LIBCPP_INLINE_VISIBILITY iostate rdstate() const;
-    void clear(iostate __state = goodbit);
-    _LIBCPP_INLINE_VISIBILITY void setstate(iostate __state);
-
-    _LIBCPP_INLINE_VISIBILITY bool good() const;
-    _LIBCPP_INLINE_VISIBILITY bool eof() const;
-    _LIBCPP_INLINE_VISIBILITY bool fail() const;
-    _LIBCPP_INLINE_VISIBILITY bool bad() const;
-
-    _LIBCPP_INLINE_VISIBILITY iostate exceptions() const;
-    _LIBCPP_INLINE_VISIBILITY void exceptions(iostate __iostate);
-
-    void __set_badbit_and_consider_rethrow();
-    void __set_failbit_and_consider_rethrow();
-
+storage-class-specifier const error_category& iostream_category() noexcept; 
+ 
+}  // std 
+ 
+*/ 
+ 
+#include <__config> 
+#include <__locale> 
+#include <iosfwd> 
+#include <system_error> 
+ 
+#if !defined(_LIBCPP_HAS_NO_ATOMIC_HEADER) 
+#include <atomic>     // for __xindex_ 
+#endif 
+ 
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 
+#pragma GCC system_header 
+#endif 
+ 
+_LIBCPP_BEGIN_NAMESPACE_STD 
+ 
+typedef ptrdiff_t streamsize; 
+ 
+class _LIBCPP_TYPE_VIS ios_base 
+{ 
+public: 
+    class _LIBCPP_EXCEPTION_ABI failure; 
+ 
+    typedef unsigned int fmtflags; 
+    static const fmtflags boolalpha   = 0x0001; 
+    static const fmtflags dec         = 0x0002; 
+    static const fmtflags fixed       = 0x0004; 
+    static const fmtflags hex         = 0x0008; 
+    static const fmtflags internal    = 0x0010; 
+    static const fmtflags left        = 0x0020; 
+    static const fmtflags oct         = 0x0040; 
+    static const fmtflags right       = 0x0080; 
+    static const fmtflags scientific  = 0x0100; 
+    static const fmtflags showbase    = 0x0200; 
+    static const fmtflags showpoint   = 0x0400; 
+    static const fmtflags showpos     = 0x0800; 
+    static const fmtflags skipws      = 0x1000; 
+    static const fmtflags unitbuf     = 0x2000; 
+    static const fmtflags uppercase   = 0x4000; 
+    static const fmtflags adjustfield = left | right | internal; 
+    static const fmtflags basefield   = dec | oct | hex; 
+    static const fmtflags floatfield  = scientific | fixed; 
+ 
+    typedef unsigned int iostate; 
+    static const iostate badbit  = 0x1; 
+    static const iostate eofbit  = 0x2; 
+    static const iostate failbit = 0x4; 
+    static const iostate goodbit = 0x0; 
+ 
+    typedef unsigned int openmode; 
+    static const openmode app    = 0x01; 
+    static const openmode ate    = 0x02; 
+    static const openmode binary = 0x04; 
+    static const openmode in     = 0x08; 
+    static const openmode out    = 0x10; 
+    static const openmode trunc  = 0x20; 
+ 
+    enum seekdir {beg, cur, end}; 
+ 
+#if _LIBCPP_STD_VER <= 14 
+    typedef iostate      io_state; 
+    typedef openmode     open_mode; 
+    typedef seekdir      seek_dir; 
+ 
+    typedef _VSTD::streamoff streamoff; 
+    typedef _VSTD::streampos streampos; 
+#endif 
+ 
+    class _LIBCPP_TYPE_VIS Init; 
+ 
+    // 27.5.2.2 fmtflags state: 
+    _LIBCPP_INLINE_VISIBILITY fmtflags flags() const; 
+    _LIBCPP_INLINE_VISIBILITY fmtflags flags(fmtflags __fmtfl); 
+    _LIBCPP_INLINE_VISIBILITY fmtflags setf(fmtflags __fmtfl); 
+    _LIBCPP_INLINE_VISIBILITY fmtflags setf(fmtflags __fmtfl, fmtflags __mask); 
+    _LIBCPP_INLINE_VISIBILITY void unsetf(fmtflags __mask); 
+ 
+    _LIBCPP_INLINE_VISIBILITY streamsize precision() const; 
+    _LIBCPP_INLINE_VISIBILITY streamsize precision(streamsize __prec); 
+    _LIBCPP_INLINE_VISIBILITY streamsize width() const; 
+    _LIBCPP_INLINE_VISIBILITY streamsize width(streamsize __wide); 
+ 
+    // 27.5.2.3 locales: 
+    locale imbue(const locale& __loc); 
+    locale getloc() const; 
+ 
+    // 27.5.2.5 storage: 
+    static int xalloc(); 
+    long& iword(int __index); 
+    void*& pword(int __index); 
+ 
+    // destructor 
+    virtual ~ios_base(); 
+ 
+    // 27.5.2.6 callbacks; 
+    enum event { erase_event, imbue_event, copyfmt_event }; 
+    typedef void (*event_callback)(event, ios_base&, int __index); 
+    void register_callback(event_callback __fn, int __index); 
+ 
+private: 
+    ios_base(const ios_base&); // = delete; 
+    ios_base& operator=(const ios_base&); // = delete; 
+ 
+public: 
+    static bool sync_with_stdio(bool __sync = true); 
+ 
+    _LIBCPP_INLINE_VISIBILITY iostate rdstate() const; 
+    void clear(iostate __state = goodbit); 
+    _LIBCPP_INLINE_VISIBILITY void setstate(iostate __state); 
+ 
+    _LIBCPP_INLINE_VISIBILITY bool good() const; 
+    _LIBCPP_INLINE_VISIBILITY bool eof() const; 
+    _LIBCPP_INLINE_VISIBILITY bool fail() const; 
+    _LIBCPP_INLINE_VISIBILITY bool bad() const; 
+ 
+    _LIBCPP_INLINE_VISIBILITY iostate exceptions() const; 
+    _LIBCPP_INLINE_VISIBILITY void exceptions(iostate __iostate); 
+ 
+    void __set_badbit_and_consider_rethrow(); 
+    void __set_failbit_and_consider_rethrow(); 
+ 
+    _LIBCPP_INLINE_VISIBILITY 
+    void __setstate_nothrow(iostate __state) 
+    { 
+        if (__rdbuf_) 
+            __rdstate_ |= __state; 
+        else 
+            __rdstate_ |= __state | ios_base::badbit; 
+    } 
+ 
+protected: 
+    _LIBCPP_INLINE_VISIBILITY 
+    ios_base() {// purposefully does no initialization 
+               } 
+ 
+    void init(void* __sb); 
+    _LIBCPP_INLINE_VISIBILITY void* rdbuf() const {return __rdbuf_;} 
+ 
+    _LIBCPP_INLINE_VISIBILITY 
+    void rdbuf(void* __sb) 
+    { 
+        __rdbuf_ = __sb; 
+        clear(); 
+    } 
+ 
+    void __call_callbacks(event); 
+    void copyfmt(const ios_base&); 
+    void move(ios_base&); 
+    void swap(ios_base&) _NOEXCEPT; 
+ 
+    _LIBCPP_INLINE_VISIBILITY 
+    void set_rdbuf(void* __sb) 
+    { 
+        __rdbuf_ = __sb; 
+    } 
+ 
+private: 
+    // All data members must be scalars 
+    fmtflags        __fmtflags_; 
+    streamsize      __precision_; 
+    streamsize      __width_; 
+    iostate         __rdstate_; 
+    iostate         __exceptions_; 
+    void*           __rdbuf_; 
+    void*           __loc_; 
+    event_callback* __fn_; 
+    int*            __index_; 
+    size_t          __event_size_; 
+    size_t          __event_cap_; 
+// TODO(EricWF): Enable this for both Clang and GCC. Currently it is only 
+// enabled with clang. 
+#if defined(_LIBCPP_HAS_C_ATOMIC_IMP) && !defined(_LIBCPP_HAS_NO_THREADS) 
+    static atomic<int> __xindex_; 
+#else 
+    static int      __xindex_; 
+#endif 
+    long*           __iarray_; 
+    size_t          __iarray_size_; 
+    size_t          __iarray_cap_; 
+    void**          __parray_; 
+    size_t          __parray_size_; 
+    size_t          __parray_cap_; 
+}; 
+ 
+//enum class io_errc 
+_LIBCPP_DECLARE_STRONG_ENUM(io_errc) 
+{ 
+    stream = 1 
+}; 
+_LIBCPP_DECLARE_STRONG_ENUM_EPILOG(io_errc) 
+ 
+template <> 
+struct _LIBCPP_TEMPLATE_VIS is_error_code_enum<io_errc> : public true_type { }; 
+ 
+#ifdef _LIBCPP_HAS_NO_STRONG_ENUMS 
+template <> 
+struct _LIBCPP_TEMPLATE_VIS is_error_code_enum<io_errc::__lx> : public true_type { }; 
+#endif 
+ 
+_LIBCPP_FUNC_VIS 
+const error_category& iostream_category() _NOEXCEPT; 
+ 
+inline _LIBCPP_INLINE_VISIBILITY 
+error_code 
+make_error_code(io_errc __e) _NOEXCEPT 
+{ 
+    return error_code(static_cast<int>(__e), iostream_category()); 
+} 
+ 
+inline _LIBCPP_INLINE_VISIBILITY 
+error_condition 
+make_error_condition(io_errc __e) _NOEXCEPT 
+{ 
+    return error_condition(static_cast<int>(__e), iostream_category()); 
+} 
+ 
+class _LIBCPP_EXCEPTION_ABI ios_base::failure 
+    : public system_error 
+{ 
+public: 
+    explicit failure(const string& __msg, const error_code& __ec = io_errc::stream); 
+    explicit failure(const char* __msg, const error_code& __ec = io_errc::stream); 
+    failure(const failure&) _NOEXCEPT = default; 
+    virtual ~failure() _NOEXCEPT; 
+}; 
+ 
+_LIBCPP_NORETURN inline _LIBCPP_INLINE_VISIBILITY 
+void __throw_failure(char const* __msg) { 
+#ifndef _LIBCPP_NO_EXCEPTIONS 
+    throw ios_base::failure(__msg); 
+#else 
+    ((void)__msg); 
+    _VSTD::abort(); 
+#endif 
+} 
+ 
+class _LIBCPP_TYPE_VIS ios_base::Init 
+{ 
+public: 
+    Init(); 
+    ~Init(); 
+}; 
+ 
+// fmtflags 
+ 
+inline _LIBCPP_INLINE_VISIBILITY 
+ios_base::fmtflags 
+ios_base::flags() const 
+{ 
+    return __fmtflags_; 
+} 
+ 
+inline _LIBCPP_INLINE_VISIBILITY 
+ios_base::fmtflags 
+ios_base::flags(fmtflags __fmtfl) 
+{ 
+    fmtflags __r = __fmtflags_; 
+    __fmtflags_ = __fmtfl; 
+    return __r; 
+} 
+ 
+inline _LIBCPP_INLINE_VISIBILITY 
+ios_base::fmtflags 
+ios_base::setf(fmtflags __fmtfl) 
+{ 
+    fmtflags __r = __fmtflags_; 
+    __fmtflags_ |= __fmtfl; 
+    return __r; 
+} 
+ 
+inline _LIBCPP_INLINE_VISIBILITY 
+void 
+ios_base::unsetf(fmtflags __mask) 
+{ 
+    __fmtflags_ &= ~__mask; 
+} 
+ 
+inline _LIBCPP_INLINE_VISIBILITY 
+ios_base::fmtflags 
+ios_base::setf(fmtflags __fmtfl, fmtflags __mask) 
+{ 
+    fmtflags __r = __fmtflags_; 
+    unsetf(__mask); 
+    __fmtflags_ |= __fmtfl & __mask; 
+    return __r; 
+} 
+ 
+// precision 
+ 
+inline _LIBCPP_INLINE_VISIBILITY 
+streamsize 
+ios_base::precision() const 
+{ 
+    return __precision_; 
+} 
+ 
+inline _LIBCPP_INLINE_VISIBILITY 
+streamsize 
+ios_base::precision(streamsize __prec) 
+{ 
+    streamsize __r = __precision_; 
+    __precision_ = __prec; 
+    return __r; 
+} 
+ 
+// width 
+ 
+inline _LIBCPP_INLINE_VISIBILITY 
+streamsize 
+ios_base::width() const 
+{ 
+    return __width_; 
+} 
+ 
+inline _LIBCPP_INLINE_VISIBILITY 
+streamsize 
+ios_base::width(streamsize __wide) 
+{ 
+    streamsize __r = __width_; 
+    __width_ = __wide; 
+    return __r; 
+} 
+ 
+// iostate 
+ 
+inline _LIBCPP_INLINE_VISIBILITY 
+ios_base::iostate 
+ios_base::rdstate() const 
+{ 
+    return __rdstate_; 
+} 
+ 
+inline _LIBCPP_INLINE_VISIBILITY 
+void 
+ios_base::setstate(iostate __state) 
+{ 
+    clear(__rdstate_ | __state); 
+} 
+ 
+inline _LIBCPP_INLINE_VISIBILITY 
+bool 
+ios_base::good() const 
+{ 
+    return __rdstate_ == 0; 
+} 
+ 
+inline _LIBCPP_INLINE_VISIBILITY 
+bool 
+ios_base::eof() const 
+{ 
+    return (__rdstate_ & eofbit) != 0; 
+} 
+ 
+inline _LIBCPP_INLINE_VISIBILITY 
+bool 
+ios_base::fail() const 
+{ 
+    return (__rdstate_ & (failbit | badbit)) != 0; 
+} 
+ 
+inline _LIBCPP_INLINE_VISIBILITY 
+bool 
+ios_base::bad() const 
+{ 
+    return (__rdstate_ & badbit) != 0; 
+} 
+ 
+inline _LIBCPP_INLINE_VISIBILITY 
+ios_base::iostate 
+ios_base::exceptions() const 
+{ 
+    return __exceptions_; 
+} 
+ 
+inline _LIBCPP_INLINE_VISIBILITY 
+void 
+ios_base::exceptions(iostate __iostate) 
+{ 
+    __exceptions_ = __iostate; 
+    clear(__rdstate_); 
+} 
+ 
+template <class _CharT, class _Traits> 
+class _LIBCPP_TEMPLATE_VIS basic_ios 
+    : public ios_base 
+{ 
+public: 
+    // types: 
+    typedef _CharT char_type; 
+    typedef _Traits traits_type; 
+ 
+    typedef typename traits_type::int_type int_type; 
+    typedef typename traits_type::pos_type pos_type; 
+    typedef typename traits_type::off_type off_type; 
+ 
+    static_assert((is_same<_CharT, typename traits_type::char_type>::value), 
+                  "traits_type::char_type must be the same type as CharT"); 
+ 
+#ifdef _LIBCPP_CXX03_LANG 
+    // Preserve the ability to compare with literal 0, 
+    // and implicitly convert to bool, but not implicitly convert to int. 
+    _LIBCPP_INLINE_VISIBILITY 
+    operator void*() const {return fail() ? nullptr : (void*)this;} 
+#else 
+    _LIBCPP_INLINE_VISIBILITY 
+    explicit operator bool() const {return !fail();} 
+#endif 
+ 
+    _LIBCPP_INLINE_VISIBILITY bool operator!() const    {return  fail();} 
+    _LIBCPP_INLINE_VISIBILITY iostate rdstate() const   {return ios_base::rdstate();} 
+    _LIBCPP_INLINE_VISIBILITY void clear(iostate __state = goodbit) {ios_base::clear(__state);} 
+    _LIBCPP_INLINE_VISIBILITY void setstate(iostate __state) {ios_base::setstate(__state);} 
+    _LIBCPP_INLINE_VISIBILITY bool good() const {return ios_base::good();} 
+    _LIBCPP_INLINE_VISIBILITY bool eof() const  {return ios_base::eof();} 
+    _LIBCPP_INLINE_VISIBILITY bool fail() const {return ios_base::fail();} 
+    _LIBCPP_INLINE_VISIBILITY bool bad() const  {return ios_base::bad();} 
+ 
+    _LIBCPP_INLINE_VISIBILITY iostate exceptions() const {return ios_base::exceptions();} 
+    _LIBCPP_INLINE_VISIBILITY void exceptions(iostate __iostate) {ios_base::exceptions(__iostate);} 
+ 
+    // 27.5.4.1 Constructor/destructor: 
+    _LIBCPP_INLINE_VISIBILITY 
+    explicit basic_ios(basic_streambuf<char_type,traits_type>* __sb); 
+    virtual ~basic_ios(); 
+ 
+    // 27.5.4.2 Members: 
     _LIBCPP_INLINE_VISIBILITY
-    void __setstate_nothrow(iostate __state)
-    {
-        if (__rdbuf_)
-            __rdstate_ |= __state;
-        else
-            __rdstate_ |= __state | ios_base::badbit;
-    }
-
-protected:
+    basic_ostream<char_type, traits_type>* tie() const; 
     _LIBCPP_INLINE_VISIBILITY
-    ios_base() {// purposefully does no initialization
-               }
-
-    void init(void* __sb);
-    _LIBCPP_INLINE_VISIBILITY void* rdbuf() const {return __rdbuf_;}
-
+    basic_ostream<char_type, traits_type>* tie(basic_ostream<char_type, traits_type>* __tiestr); 
+ 
     _LIBCPP_INLINE_VISIBILITY
-    void rdbuf(void* __sb)
-    {
-        __rdbuf_ = __sb;
-        clear();
-    }
-
-    void __call_callbacks(event);
-    void copyfmt(const ios_base&);
-    void move(ios_base&);
-    void swap(ios_base&) _NOEXCEPT;
-
+    basic_streambuf<char_type, traits_type>* rdbuf() const; 
     _LIBCPP_INLINE_VISIBILITY
-    void set_rdbuf(void* __sb)
-    {
-        __rdbuf_ = __sb;
-    }
-
-private:
-    // All data members must be scalars
-    fmtflags        __fmtflags_;
-    streamsize      __precision_;
-    streamsize      __width_;
-    iostate         __rdstate_;
-    iostate         __exceptions_;
-    void*           __rdbuf_;
-    void*           __loc_;
-    event_callback* __fn_;
-    int*            __index_;
-    size_t          __event_size_;
-    size_t          __event_cap_;
-// TODO(EricWF): Enable this for both Clang and GCC. Currently it is only
-// enabled with clang.
-#if defined(_LIBCPP_HAS_C_ATOMIC_IMP) && !defined(_LIBCPP_HAS_NO_THREADS)
-    static atomic<int> __xindex_;
-#else
-    static int      __xindex_;
-#endif
-    long*           __iarray_;
-    size_t          __iarray_size_;
-    size_t          __iarray_cap_;
-    void**          __parray_;
-    size_t          __parray_size_;
-    size_t          __parray_cap_;
-};
-
-//enum class io_errc
-_LIBCPP_DECLARE_STRONG_ENUM(io_errc)
-{
-    stream = 1
-};
-_LIBCPP_DECLARE_STRONG_ENUM_EPILOG(io_errc)
-
-template <>
-struct _LIBCPP_TEMPLATE_VIS is_error_code_enum<io_errc> : public true_type { };
-
-#ifdef _LIBCPP_HAS_NO_STRONG_ENUMS
-template <>
-struct _LIBCPP_TEMPLATE_VIS is_error_code_enum<io_errc::__lx> : public true_type { };
-#endif
-
-_LIBCPP_FUNC_VIS
-const error_category& iostream_category() _NOEXCEPT;
-
-inline _LIBCPP_INLINE_VISIBILITY
-error_code
-make_error_code(io_errc __e) _NOEXCEPT
-{
-    return error_code(static_cast<int>(__e), iostream_category());
-}
-
-inline _LIBCPP_INLINE_VISIBILITY
-error_condition
-make_error_condition(io_errc __e) _NOEXCEPT
-{
-    return error_condition(static_cast<int>(__e), iostream_category());
-}
-
-class _LIBCPP_EXCEPTION_ABI ios_base::failure
-    : public system_error
-{
-public:
-    explicit failure(const string& __msg, const error_code& __ec = io_errc::stream);
-    explicit failure(const char* __msg, const error_code& __ec = io_errc::stream);
-    failure(const failure&) _NOEXCEPT = default;
-    virtual ~failure() _NOEXCEPT;
-};
-
-_LIBCPP_NORETURN inline _LIBCPP_INLINE_VISIBILITY
-void __throw_failure(char const* __msg) {
-#ifndef _LIBCPP_NO_EXCEPTIONS
-    throw ios_base::failure(__msg);
-#else
-    ((void)__msg);
-    _VSTD::abort();
-#endif
-}
-
-class _LIBCPP_TYPE_VIS ios_base::Init
-{
-public:
-    Init();
-    ~Init();
-};
-
-// fmtflags
-
-inline _LIBCPP_INLINE_VISIBILITY
-ios_base::fmtflags
-ios_base::flags() const
-{
-    return __fmtflags_;
-}
-
-inline _LIBCPP_INLINE_VISIBILITY
-ios_base::fmtflags
-ios_base::flags(fmtflags __fmtfl)
-{
-    fmtflags __r = __fmtflags_;
-    __fmtflags_ = __fmtfl;
-    return __r;
-}
-
-inline _LIBCPP_INLINE_VISIBILITY
-ios_base::fmtflags
-ios_base::setf(fmtflags __fmtfl)
-{
-    fmtflags __r = __fmtflags_;
-    __fmtflags_ |= __fmtfl;
-    return __r;
-}
-
-inline _LIBCPP_INLINE_VISIBILITY
-void
-ios_base::unsetf(fmtflags __mask)
-{
-    __fmtflags_ &= ~__mask;
-}
-
-inline _LIBCPP_INLINE_VISIBILITY
-ios_base::fmtflags
-ios_base::setf(fmtflags __fmtfl, fmtflags __mask)
-{
-    fmtflags __r = __fmtflags_;
-    unsetf(__mask);
-    __fmtflags_ |= __fmtfl & __mask;
-    return __r;
-}
-
-// precision
-
-inline _LIBCPP_INLINE_VISIBILITY
-streamsize
-ios_base::precision() const
-{
-    return __precision_;
-}
-
-inline _LIBCPP_INLINE_VISIBILITY
-streamsize
-ios_base::precision(streamsize __prec)
-{
-    streamsize __r = __precision_;
-    __precision_ = __prec;
-    return __r;
-}
-
-// width
-
-inline _LIBCPP_INLINE_VISIBILITY
-streamsize
-ios_base::width() const
-{
-    return __width_;
-}
-
-inline _LIBCPP_INLINE_VISIBILITY
-streamsize
-ios_base::width(streamsize __wide)
-{
-    streamsize __r = __width_;
-    __width_ = __wide;
-    return __r;
-}
-
-// iostate
-
-inline _LIBCPP_INLINE_VISIBILITY
-ios_base::iostate
-ios_base::rdstate() const
-{
-    return __rdstate_;
-}
-
-inline _LIBCPP_INLINE_VISIBILITY
-void
-ios_base::setstate(iostate __state)
-{
-    clear(__rdstate_ | __state);
-}
-
-inline _LIBCPP_INLINE_VISIBILITY
-bool
-ios_base::good() const
-{
-    return __rdstate_ == 0;
-}
-
-inline _LIBCPP_INLINE_VISIBILITY
-bool
-ios_base::eof() const
-{
-    return (__rdstate_ & eofbit) != 0;
-}
-
-inline _LIBCPP_INLINE_VISIBILITY
-bool
-ios_base::fail() const
-{
-    return (__rdstate_ & (failbit | badbit)) != 0;
-}
-
-inline _LIBCPP_INLINE_VISIBILITY
-bool
-ios_base::bad() const
-{
-    return (__rdstate_ & badbit) != 0;
-}
-
-inline _LIBCPP_INLINE_VISIBILITY
-ios_base::iostate
-ios_base::exceptions() const
-{
-    return __exceptions_;
-}
-
-inline _LIBCPP_INLINE_VISIBILITY
-void
-ios_base::exceptions(iostate __iostate)
-{
-    __exceptions_ = __iostate;
-    clear(__rdstate_);
-}
-
-template <class _CharT, class _Traits>
-class _LIBCPP_TEMPLATE_VIS basic_ios
-    : public ios_base
-{
-public:
-    // types:
-    typedef _CharT char_type;
-    typedef _Traits traits_type;
-
-    typedef typename traits_type::int_type int_type;
-    typedef typename traits_type::pos_type pos_type;
-    typedef typename traits_type::off_type off_type;
-
-    static_assert((is_same<_CharT, typename traits_type::char_type>::value),
-                  "traits_type::char_type must be the same type as CharT");
-
-#ifdef _LIBCPP_CXX03_LANG
-    // Preserve the ability to compare with literal 0,
-    // and implicitly convert to bool, but not implicitly convert to int.
+    basic_streambuf<char_type, traits_type>* rdbuf(basic_streambuf<char_type, traits_type>* __sb); 
+ 
+    basic_ios& copyfmt(const basic_ios& __rhs); 
+ 
     _LIBCPP_INLINE_VISIBILITY
-    operator void*() const {return fail() ? nullptr : (void*)this;}
-#else
+    char_type fill() const; 
     _LIBCPP_INLINE_VISIBILITY
-    explicit operator bool() const {return !fail();}
-#endif
-
-    _LIBCPP_INLINE_VISIBILITY bool operator!() const    {return  fail();}
-    _LIBCPP_INLINE_VISIBILITY iostate rdstate() const   {return ios_base::rdstate();}
-    _LIBCPP_INLINE_VISIBILITY void clear(iostate __state = goodbit) {ios_base::clear(__state);}
-    _LIBCPP_INLINE_VISIBILITY void setstate(iostate __state) {ios_base::setstate(__state);}
-    _LIBCPP_INLINE_VISIBILITY bool good() const {return ios_base::good();}
-    _LIBCPP_INLINE_VISIBILITY bool eof() const  {return ios_base::eof();}
-    _LIBCPP_INLINE_VISIBILITY bool fail() const {return ios_base::fail();}
-    _LIBCPP_INLINE_VISIBILITY bool bad() const  {return ios_base::bad();}
-
-    _LIBCPP_INLINE_VISIBILITY iostate exceptions() const {return ios_base::exceptions();}
-    _LIBCPP_INLINE_VISIBILITY void exceptions(iostate __iostate) {ios_base::exceptions(__iostate);}
-
-    // 27.5.4.1 Constructor/destructor:
+    char_type fill(char_type __ch); 
+ 
     _LIBCPP_INLINE_VISIBILITY
-    explicit basic_ios(basic_streambuf<char_type,traits_type>* __sb);
-    virtual ~basic_ios();
-
-    // 27.5.4.2 Members:
+    locale imbue(const locale& __loc); 
+ 
     _LIBCPP_INLINE_VISIBILITY
-    basic_ostream<char_type, traits_type>* tie() const;
+    char narrow(char_type __c, char __dfault) const; 
     _LIBCPP_INLINE_VISIBILITY
-    basic_ostream<char_type, traits_type>* tie(basic_ostream<char_type, traits_type>* __tiestr);
-
+    char_type widen(char __c) const; 
+ 
+protected: 
+    _LIBCPP_INLINE_VISIBILITY 
+    basic_ios() {// purposefully does no initialization 
+                } 
     _LIBCPP_INLINE_VISIBILITY
-    basic_streambuf<char_type, traits_type>* rdbuf() const;
+    void init(basic_streambuf<char_type, traits_type>* __sb); 
+ 
     _LIBCPP_INLINE_VISIBILITY
-    basic_streambuf<char_type, traits_type>* rdbuf(basic_streambuf<char_type, traits_type>* __sb);
-
-    basic_ios& copyfmt(const basic_ios& __rhs);
-
+    void move(basic_ios& __rhs); 
+    _LIBCPP_INLINE_VISIBILITY 
+    void move(basic_ios&& __rhs) {move(__rhs);} 
     _LIBCPP_INLINE_VISIBILITY
-    char_type fill() const;
+    void swap(basic_ios& __rhs) _NOEXCEPT; 
     _LIBCPP_INLINE_VISIBILITY
-    char_type fill(char_type __ch);
-
-    _LIBCPP_INLINE_VISIBILITY
-    locale imbue(const locale& __loc);
-
-    _LIBCPP_INLINE_VISIBILITY
-    char narrow(char_type __c, char __dfault) const;
-    _LIBCPP_INLINE_VISIBILITY
-    char_type widen(char __c) const;
-
-protected:
-    _LIBCPP_INLINE_VISIBILITY
-    basic_ios() {// purposefully does no initialization
-                }
-    _LIBCPP_INLINE_VISIBILITY
-    void init(basic_streambuf<char_type, traits_type>* __sb);
-
-    _LIBCPP_INLINE_VISIBILITY
-    void move(basic_ios& __rhs);
-    _LIBCPP_INLINE_VISIBILITY
-    void move(basic_ios&& __rhs) {move(__rhs);}
-    _LIBCPP_INLINE_VISIBILITY
-    void swap(basic_ios& __rhs) _NOEXCEPT;
-    _LIBCPP_INLINE_VISIBILITY
-    void set_rdbuf(basic_streambuf<char_type, traits_type>* __sb);
-private:
-    basic_ostream<char_type, traits_type>* __tie_;
+    void set_rdbuf(basic_streambuf<char_type, traits_type>* __sb); 
+private: 
+    basic_ostream<char_type, traits_type>* __tie_; 
     mutable int_type __fill_;
-};
-
-template <class _CharT, class _Traits>
-inline _LIBCPP_INLINE_VISIBILITY
-basic_ios<_CharT, _Traits>::basic_ios(basic_streambuf<char_type,traits_type>* __sb)
-{
-    init(__sb);
-}
-
-template <class _CharT, class _Traits>
-basic_ios<_CharT, _Traits>::~basic_ios()
-{
-}
-
-template <class _CharT, class _Traits>
-inline _LIBCPP_INLINE_VISIBILITY
-void
-basic_ios<_CharT, _Traits>::init(basic_streambuf<char_type, traits_type>* __sb)
-{
-    ios_base::init(__sb);
-    __tie_ = nullptr;
-    __fill_ = traits_type::eof();
-}
-
-template <class _CharT, class _Traits>
-inline _LIBCPP_INLINE_VISIBILITY
-basic_ostream<_CharT, _Traits>*
-basic_ios<_CharT, _Traits>::tie() const
-{
-    return __tie_;
-}
-
-template <class _CharT, class _Traits>
-inline _LIBCPP_INLINE_VISIBILITY
-basic_ostream<_CharT, _Traits>*
-basic_ios<_CharT, _Traits>::tie(basic_ostream<char_type, traits_type>* __tiestr)
-{
-    basic_ostream<char_type, traits_type>* __r = __tie_;
-    __tie_ = __tiestr;
-    return __r;
-}
-
-template <class _CharT, class _Traits>
-inline _LIBCPP_INLINE_VISIBILITY
-basic_streambuf<_CharT, _Traits>*
-basic_ios<_CharT, _Traits>::rdbuf() const
-{
-    return static_cast<basic_streambuf<char_type, traits_type>*>(ios_base::rdbuf());
-}
-
-template <class _CharT, class _Traits>
-inline _LIBCPP_INLINE_VISIBILITY
-basic_streambuf<_CharT, _Traits>*
-basic_ios<_CharT, _Traits>::rdbuf(basic_streambuf<char_type, traits_type>* __sb)
-{
-    basic_streambuf<char_type, traits_type>* __r = rdbuf();
-    ios_base::rdbuf(__sb);
-    return __r;
-}
-
-template <class _CharT, class _Traits>
-inline _LIBCPP_INLINE_VISIBILITY
-locale
-basic_ios<_CharT, _Traits>::imbue(const locale& __loc)
-{
-    locale __r = getloc();
-    ios_base::imbue(__loc);
-    if (rdbuf())
-        rdbuf()->pubimbue(__loc);
-    return __r;
-}
-
-template <class _CharT, class _Traits>
-inline _LIBCPP_INLINE_VISIBILITY
-char
-basic_ios<_CharT, _Traits>::narrow(char_type __c, char __dfault) const
-{
-    return use_facet<ctype<char_type> >(getloc()).narrow(__c, __dfault);
-}
-
-template <class _CharT, class _Traits>
-inline _LIBCPP_INLINE_VISIBILITY
-_CharT
-basic_ios<_CharT, _Traits>::widen(char __c) const
-{
-    return use_facet<ctype<char_type> >(getloc()).widen(__c);
-}
-
-template <class _CharT, class _Traits>
-inline _LIBCPP_INLINE_VISIBILITY
-_CharT
-basic_ios<_CharT, _Traits>::fill() const
-{
-    if (traits_type::eq_int_type(traits_type::eof(), __fill_))
-        __fill_ = widen(' ');
-    return __fill_;
-}
-
-template <class _CharT, class _Traits>
-inline _LIBCPP_INLINE_VISIBILITY
-_CharT
-basic_ios<_CharT, _Traits>::fill(char_type __ch)
-{
-    char_type __r = __fill_;
-    __fill_ = __ch;
-    return __r;
-}
-
-template <class _CharT, class _Traits>
-basic_ios<_CharT, _Traits>&
-basic_ios<_CharT, _Traits>::copyfmt(const basic_ios& __rhs)
-{
-    if (this != &__rhs)
-    {
-        __call_callbacks(erase_event);
-        ios_base::copyfmt(__rhs);
-        __tie_ = __rhs.__tie_;
-        __fill_ = __rhs.__fill_;
-        __call_callbacks(copyfmt_event);
-        exceptions(__rhs.exceptions());
-    }
-    return *this;
-}
-
-template <class _CharT, class _Traits>
-inline _LIBCPP_INLINE_VISIBILITY
-void
-basic_ios<_CharT, _Traits>::move(basic_ios& __rhs)
-{
-    ios_base::move(__rhs);
-    __tie_ = __rhs.__tie_;
-    __rhs.__tie_ = nullptr;
-    __fill_ = __rhs.__fill_;
-}
-
-template <class _CharT, class _Traits>
-inline _LIBCPP_INLINE_VISIBILITY
-void
-basic_ios<_CharT, _Traits>::swap(basic_ios& __rhs) _NOEXCEPT
-{
-    ios_base::swap(__rhs);
-    _VSTD::swap(__tie_, __rhs.__tie_);
-    _VSTD::swap(__fill_, __rhs.__fill_);
-}
-
-template <class _CharT, class _Traits>
-inline _LIBCPP_INLINE_VISIBILITY
-void
-basic_ios<_CharT, _Traits>::set_rdbuf(basic_streambuf<char_type, traits_type>* __sb)
-{
-    ios_base::set_rdbuf(__sb);
-}
-
-inline
-ios_base&
-boolalpha(ios_base& __str)
-{
-    __str.setf(ios_base::boolalpha);
-    return __str;
-}
-
-inline
-ios_base&
-noboolalpha(ios_base& __str)
-{
-    __str.unsetf(ios_base::boolalpha);
-    return __str;
-}
-
-inline
-ios_base&
-showbase(ios_base& __str)
-{
-    __str.setf(ios_base::showbase);
-    return __str;
-}
-
-inline
-ios_base&
-noshowbase(ios_base& __str)
-{
-    __str.unsetf(ios_base::showbase);
-    return __str;
-}
-
-inline
-ios_base&
-showpoint(ios_base& __str)
-{
-    __str.setf(ios_base::showpoint);
-    return __str;
-}
-
-inline
-ios_base&
-noshowpoint(ios_base& __str)
-{
-    __str.unsetf(ios_base::showpoint);
-    return __str;
-}
-
-inline
-ios_base&
-showpos(ios_base& __str)
-{
-    __str.setf(ios_base::showpos);
-    return __str;
-}
-
-inline
-ios_base&
-noshowpos(ios_base& __str)
-{
-    __str.unsetf(ios_base::showpos);
-    return __str;
-}
-
-inline
-ios_base&
-skipws(ios_base& __str)
-{
-    __str.setf(ios_base::skipws);
-    return __str;
-}
-
-inline
-ios_base&
-noskipws(ios_base& __str)
-{
-    __str.unsetf(ios_base::skipws);
-    return __str;
-}
-
-inline
-ios_base&
-uppercase(ios_base& __str)
-{
-    __str.setf(ios_base::uppercase);
-    return __str;
-}
-
-inline
-ios_base&
-nouppercase(ios_base& __str)
-{
-    __str.unsetf(ios_base::uppercase);
-    return __str;
-}
-
-inline
-ios_base&
-unitbuf(ios_base& __str)
-{
-    __str.setf(ios_base::unitbuf);
-    return __str;
-}
-
-inline
-ios_base&
-nounitbuf(ios_base& __str)
-{
-    __str.unsetf(ios_base::unitbuf);
-    return __str;
-}
-
-inline
-ios_base&
-internal(ios_base& __str)
-{
-    __str.setf(ios_base::internal, ios_base::adjustfield);
-    return __str;
-}
-
-inline
-ios_base&
-left(ios_base& __str)
-{
-    __str.setf(ios_base::left, ios_base::adjustfield);
-    return __str;
-}
-
-inline
-ios_base&
-right(ios_base& __str)
-{
-    __str.setf(ios_base::right, ios_base::adjustfield);
-    return __str;
-}
-
-inline
-ios_base&
-dec(ios_base& __str)
-{
-    __str.setf(ios_base::dec, ios_base::basefield);
-    return __str;
-}
-
-inline
-ios_base&
-hex(ios_base& __str)
-{
-    __str.setf(ios_base::hex, ios_base::basefield);
-    return __str;
-}
-
-inline
-ios_base&
-oct(ios_base& __str)
-{
-    __str.setf(ios_base::oct, ios_base::basefield);
-    return __str;
-}
-
-inline
-ios_base&
-fixed(ios_base& __str)
-{
-    __str.setf(ios_base::fixed, ios_base::floatfield);
-    return __str;
-}
-
-inline
-ios_base&
-scientific(ios_base& __str)
-{
-    __str.setf(ios_base::scientific, ios_base::floatfield);
-    return __str;
-}
-
-inline
-ios_base&
-hexfloat(ios_base& __str)
-{
-    __str.setf(ios_base::fixed | ios_base::scientific, ios_base::floatfield);
-    return __str;
-}
-
-inline
-ios_base&
-defaultfloat(ios_base& __str)
-{
-    __str.unsetf(ios_base::floatfield);
-    return __str;
-}
-
-_LIBCPP_END_NAMESPACE_STD
-
-#endif // _LIBCPP_IOS
+}; 
+ 
+template <class _CharT, class _Traits> 
+inline _LIBCPP_INLINE_VISIBILITY 
+basic_ios<_CharT, _Traits>::basic_ios(basic_streambuf<char_type,traits_type>* __sb) 
+{ 
+    init(__sb); 
+} 
+ 
+template <class _CharT, class _Traits> 
+basic_ios<_CharT, _Traits>::~basic_ios() 
+{ 
+} 
+ 
+template <class _CharT, class _Traits> 
+inline _LIBCPP_INLINE_VISIBILITY 
+void 
+basic_ios<_CharT, _Traits>::init(basic_streambuf<char_type, traits_type>* __sb) 
+{ 
+    ios_base::init(__sb); 
+    __tie_ = nullptr; 
+    __fill_ = traits_type::eof(); 
+} 
+ 
+template <class _CharT, class _Traits> 
+inline _LIBCPP_INLINE_VISIBILITY 
+basic_ostream<_CharT, _Traits>* 
+basic_ios<_CharT, _Traits>::tie() const 
+{ 
+    return __tie_; 
+} 
+ 
+template <class _CharT, class _Traits> 
+inline _LIBCPP_INLINE_VISIBILITY 
+basic_ostream<_CharT, _Traits>* 
+basic_ios<_CharT, _Traits>::tie(basic_ostream<char_type, traits_type>* __tiestr) 
+{ 
+    basic_ostream<char_type, traits_type>* __r = __tie_; 
+    __tie_ = __tiestr; 
+    return __r; 
+} 
+ 
+template <class _CharT, class _Traits> 
+inline _LIBCPP_INLINE_VISIBILITY 
+basic_streambuf<_CharT, _Traits>* 
+basic_ios<_CharT, _Traits>::rdbuf() const 
+{ 
+    return static_cast<basic_streambuf<char_type, traits_type>*>(ios_base::rdbuf()); 
+} 
+ 
+template <class _CharT, class _Traits> 
+inline _LIBCPP_INLINE_VISIBILITY 
+basic_streambuf<_CharT, _Traits>* 
+basic_ios<_CharT, _Traits>::rdbuf(basic_streambuf<char_type, traits_type>* __sb) 
+{ 
+    basic_streambuf<char_type, traits_type>* __r = rdbuf(); 
+    ios_base::rdbuf(__sb); 
+    return __r; 
+} 
+ 
+template <class _CharT, class _Traits> 
+inline _LIBCPP_INLINE_VISIBILITY 
+locale 
+basic_ios<_CharT, _Traits>::imbue(const locale& __loc) 
+{ 
+    locale __r = getloc(); 
+    ios_base::imbue(__loc); 
+    if (rdbuf()) 
+        rdbuf()->pubimbue(__loc); 
+    return __r; 
+} 
+ 
+template <class _CharT, class _Traits> 
+inline _LIBCPP_INLINE_VISIBILITY 
+char 
+basic_ios<_CharT, _Traits>::narrow(char_type __c, char __dfault) const 
+{ 
+    return use_facet<ctype<char_type> >(getloc()).narrow(__c, __dfault); 
+} 
+ 
+template <class _CharT, class _Traits> 
+inline _LIBCPP_INLINE_VISIBILITY 
+_CharT 
+basic_ios<_CharT, _Traits>::widen(char __c) const 
+{ 
+    return use_facet<ctype<char_type> >(getloc()).widen(__c); 
+} 
+ 
+template <class _CharT, class _Traits> 
+inline _LIBCPP_INLINE_VISIBILITY 
+_CharT 
+basic_ios<_CharT, _Traits>::fill() const 
+{ 
+    if (traits_type::eq_int_type(traits_type::eof(), __fill_)) 
+        __fill_ = widen(' '); 
+    return __fill_; 
+} 
+ 
+template <class _CharT, class _Traits> 
+inline _LIBCPP_INLINE_VISIBILITY 
+_CharT 
+basic_ios<_CharT, _Traits>::fill(char_type __ch) 
+{ 
+    char_type __r = __fill_; 
+    __fill_ = __ch; 
+    return __r; 
+} 
+ 
+template <class _CharT, class _Traits> 
+basic_ios<_CharT, _Traits>& 
+basic_ios<_CharT, _Traits>::copyfmt(const basic_ios& __rhs) 
+{ 
+    if (this != &__rhs) 
+    { 
+        __call_callbacks(erase_event); 
+        ios_base::copyfmt(__rhs); 
+        __tie_ = __rhs.__tie_; 
+        __fill_ = __rhs.__fill_; 
+        __call_callbacks(copyfmt_event); 
+        exceptions(__rhs.exceptions()); 
+    } 
+    return *this; 
+} 
+ 
+template <class _CharT, class _Traits> 
+inline _LIBCPP_INLINE_VISIBILITY 
+void 
+basic_ios<_CharT, _Traits>::move(basic_ios& __rhs) 
+{ 
+    ios_base::move(__rhs); 
+    __tie_ = __rhs.__tie_; 
+    __rhs.__tie_ = nullptr; 
+    __fill_ = __rhs.__fill_; 
+} 
+ 
+template <class _CharT, class _Traits> 
+inline _LIBCPP_INLINE_VISIBILITY 
+void 
+basic_ios<_CharT, _Traits>::swap(basic_ios& __rhs) _NOEXCEPT 
+{ 
+    ios_base::swap(__rhs); 
+    _VSTD::swap(__tie_, __rhs.__tie_); 
+    _VSTD::swap(__fill_, __rhs.__fill_); 
+} 
+ 
+template <class _CharT, class _Traits> 
+inline _LIBCPP_INLINE_VISIBILITY 
+void 
+basic_ios<_CharT, _Traits>::set_rdbuf(basic_streambuf<char_type, traits_type>* __sb) 
+{ 
+    ios_base::set_rdbuf(__sb); 
+} 
+ 
+inline 
+ios_base& 
+boolalpha(ios_base& __str) 
+{ 
+    __str.setf(ios_base::boolalpha); 
+    return __str; 
+} 
+ 
+inline 
+ios_base& 
+noboolalpha(ios_base& __str) 
+{ 
+    __str.unsetf(ios_base::boolalpha); 
+    return __str; 
+} 
+ 
+inline 
+ios_base& 
+showbase(ios_base& __str) 
+{ 
+    __str.setf(ios_base::showbase); 
+    return __str; 
+} 
+ 
+inline 
+ios_base& 
+noshowbase(ios_base& __str) 
+{ 
+    __str.unsetf(ios_base::showbase); 
+    return __str; 
+} 
+ 
+inline 
+ios_base& 
+showpoint(ios_base& __str) 
+{ 
+    __str.setf(ios_base::showpoint); 
+    return __str; 
+} 
+ 
+inline 
+ios_base& 
+noshowpoint(ios_base& __str) 
+{ 
+    __str.unsetf(ios_base::showpoint); 
+    return __str; 
+} 
+ 
+inline 
+ios_base& 
+showpos(ios_base& __str) 
+{ 
+    __str.setf(ios_base::showpos); 
+    return __str; 
+} 
+ 
+inline 
+ios_base& 
+noshowpos(ios_base& __str) 
+{ 
+    __str.unsetf(ios_base::showpos); 
+    return __str; 
+} 
+ 
+inline 
+ios_base& 
+skipws(ios_base& __str) 
+{ 
+    __str.setf(ios_base::skipws); 
+    return __str; 
+} 
+ 
+inline 
+ios_base& 
+noskipws(ios_base& __str) 
+{ 
+    __str.unsetf(ios_base::skipws); 
+    return __str; 
+} 
+ 
+inline 
+ios_base& 
+uppercase(ios_base& __str) 
+{ 
+    __str.setf(ios_base::uppercase); 
+    return __str; 
+} 
+ 
+inline 
+ios_base& 
+nouppercase(ios_base& __str) 
+{ 
+    __str.unsetf(ios_base::uppercase); 
+    return __str; 
+} 
+ 
+inline 
+ios_base& 
+unitbuf(ios_base& __str) 
+{ 
+    __str.setf(ios_base::unitbuf); 
+    return __str; 
+} 
+ 
+inline 
+ios_base& 
+nounitbuf(ios_base& __str) 
+{ 
+    __str.unsetf(ios_base::unitbuf); 
+    return __str; 
+} 
+ 
+inline 
+ios_base& 
+internal(ios_base& __str) 
+{ 
+    __str.setf(ios_base::internal, ios_base::adjustfield); 
+    return __str; 
+} 
+ 
+inline 
+ios_base& 
+left(ios_base& __str) 
+{ 
+    __str.setf(ios_base::left, ios_base::adjustfield); 
+    return __str; 
+} 
+ 
+inline 
+ios_base& 
+right(ios_base& __str) 
+{ 
+    __str.setf(ios_base::right, ios_base::adjustfield); 
+    return __str; 
+} 
+ 
+inline 
+ios_base& 
+dec(ios_base& __str) 
+{ 
+    __str.setf(ios_base::dec, ios_base::basefield); 
+    return __str; 
+} 
+ 
+inline 
+ios_base& 
+hex(ios_base& __str) 
+{ 
+    __str.setf(ios_base::hex, ios_base::basefield); 
+    return __str; 
+} 
+ 
+inline 
+ios_base& 
+oct(ios_base& __str) 
+{ 
+    __str.setf(ios_base::oct, ios_base::basefield); 
+    return __str; 
+} 
+ 
+inline 
+ios_base& 
+fixed(ios_base& __str) 
+{ 
+    __str.setf(ios_base::fixed, ios_base::floatfield); 
+    return __str; 
+} 
+ 
+inline 
+ios_base& 
+scientific(ios_base& __str) 
+{ 
+    __str.setf(ios_base::scientific, ios_base::floatfield); 
+    return __str; 
+} 
+ 
+inline 
+ios_base& 
+hexfloat(ios_base& __str) 
+{ 
+    __str.setf(ios_base::fixed | ios_base::scientific, ios_base::floatfield); 
+    return __str; 
+} 
+ 
+inline 
+ios_base& 
+defaultfloat(ios_base& __str) 
+{ 
+    __str.unsetf(ios_base::floatfield); 
+    return __str; 
+} 
+ 
+_LIBCPP_END_NAMESPACE_STD 
+ 
+#endif // _LIBCPP_IOS