check lifetime bound of output streams

commit_hash:17de7afe0f415c511e587b2f2607cbbc2348742e

3 files changed, 18 insertions, 17 deletions

diff --git a/util/stream/format.h b/util/stream/format.h
index 56c3083bbc..c6ee9c720f 100644
--- a/util/stream/format.h
+++ b/util/stream/format.h
@@ -67,7 +67,7 @@ namespace NFormatPrivate {
     };
 
     template <typename T>
-    IOutputStream& operator<<(IOutputStream& o, const TLeftPad<T>& lp) {
+    IOutputStream& operator<<(IOutputStream& o Y_LIFETIME_BOUND, const TLeftPad<T>& lp) {
         TTempBuf buf;
         TMemoryOutput ss(buf.Data(), buf.Size());
         ss << lp.Value;
@@ -94,7 +94,7 @@ namespace NFormatPrivate {
     };
 
     template <typename T>
-    IOutputStream& operator<<(IOutputStream& o, const TRightPad<T>& lp) {
+    IOutputStream& operator<<(IOutputStream& o Y_LIFETIME_BOUND, const TRightPad<T>& lp) {
         TTempBuf buf;
         TMemoryOutput ss(buf.Data(), buf.Size());
         ss << lp.Value;
@@ -123,7 +123,7 @@ namespace NFormatPrivate {
     using TUnsignedBaseNumber = TBaseNumber<std::make_unsigned_t<std::remove_cv_t<T>>, Base>;
 
     template <typename TStream, typename T, size_t Base>
-    TStream& ToStreamImpl(TStream& stream, const TBaseNumber<T, Base>& value) {
+    TStream& ToStreamImpl(TStream& stream Y_LIFETIME_BOUND, const TBaseNumber<T, Base>& value) {
         char buf[8 * sizeof(T) + 1]; /* Add 1 for sign. */
         TStringBuf str(buf, IntToString<Base>(value.Value, buf, sizeof(buf)));
 
@@ -149,12 +149,12 @@ namespace NFormatPrivate {
     }
 
     template <typename T, size_t Base>
-    IOutputStream& operator<<(IOutputStream& stream, const TBaseNumber<T, Base>& value) {
+    IOutputStream& operator<<(IOutputStream& stream Y_LIFETIME_BOUND, const TBaseNumber<T, Base>& value) {
         return ToStreamImpl(stream, value);
     }
 
     template <typename T, size_t Base>
-    std::ostream& operator<<(std::ostream& stream, const TBaseNumber<T, Base>& value) {
+    std::ostream& operator<<(std::ostream& stream Y_LIFETIME_BOUND, const TBaseNumber<T, Base>& value) {
         return ToStreamImpl(stream, value);
     }
 
@@ -169,7 +169,7 @@ namespace NFormatPrivate {
     };
 
     template <typename Char, size_t Base>
-    IOutputStream& operator<<(IOutputStream& os, const TBaseText<Char, Base>& text) {
+    IOutputStream& operator<<(IOutputStream& os Y_LIFETIME_BOUND, const TBaseText<Char, Base>& text) {
         for (size_t i = 0; i < text.Text.size(); ++i) {
             if (i != 0) {
                 os << ' ';
@@ -190,7 +190,7 @@ namespace NFormatPrivate {
     };
 
     template <typename T>
-    IOutputStream& operator<<(IOutputStream& o, const TFloatPrecision<T>& prec) {
+    IOutputStream& operator<<(IOutputStream& o Y_LIFETIME_BOUND, const TFloatPrecision<T>& prec) {
         char buf[512];
         size_t count = FloatToString(prec.Value, buf, sizeof(buf), prec.Mode, prec.NDigits);
         o << TStringBuf(buf, count);
diff --git a/util/stream/input.h b/util/stream/input.h
index b1facec254..c64159b28c 100644
--- a/util/stream/input.h
+++ b/util/stream/input.h
@@ -256,7 +256,7 @@ void In(IInputStream& in, T& value);
  * @see operator<<(IOutputStream&, T&)
  */
 template <typename T>
-inline IInputStream& operator>>(IInputStream& in, T& value) {
+inline IInputStream& operator>>(IInputStream& in Y_LIFETIME_BOUND, T& value) {
     In<T>(in, value);
     return in;
 }
diff --git a/util/stream/output.h b/util/stream/output.h
index 1f903a655a..8acd66a4ba 100644
--- a/util/stream/output.h
+++ b/util/stream/output.h
@@ -7,6 +7,7 @@
 #include <util/generic/string.h>
 #include <util/generic/strbuf.h>
 #include <util/generic/typetraits.h>
+#include <util/system/compiler.h>
 
 #include <type_traits>
 
@@ -207,54 +208,54 @@ void Out<const wchar16*>(IOutputStream& o, const wchar16* w);
 template <>
 void Out<const wchar32*>(IOutputStream& o, const wchar32* w);
 
-static inline IOutputStream& operator<<(IOutputStream& o, TStreamManipulator m) {
+static inline IOutputStream& operator<<(IOutputStream& o Y_LIFETIME_BOUND, TStreamManipulator m) {
     m(o);
 
     return o;
 }
 
-static inline IOutputStream& operator<<(IOutputStream& o, const char* t) {
+static inline IOutputStream& operator<<(IOutputStream& o Y_LIFETIME_BOUND, const char* t) {
     Out<const char*>(o, t);
 
     return o;
 }
 
-static inline IOutputStream& operator<<(IOutputStream& o, char* t) {
+static inline IOutputStream& operator<<(IOutputStream& o Y_LIFETIME_BOUND, char* t) {
     Out<const char*>(o, t);
 
     return o;
 }
 
 template <class T>
-static inline std::enable_if_t<std::is_scalar<T>::value, IOutputStream&> operator<<(IOutputStream& o, T t) {
+static inline std::enable_if_t<std::is_scalar<T>::value, IOutputStream&> operator<<(IOutputStream& o Y_LIFETIME_BOUND, T t) {
     Out<T>(o, t);
 
     return o;
 }
 
 template <class T>
-static inline std::enable_if_t<!std::is_scalar<T>::value, IOutputStream&> operator<<(IOutputStream& o, const T& t) {
+static inline std::enable_if_t<!std::is_scalar<T>::value, IOutputStream&> operator<<(IOutputStream& o Y_LIFETIME_BOUND, const T& t) {
     Out<T>(o, t);
 
     return o;
 }
 
-static inline IOutputStream& operator<<(IOutputStream& o, const wchar16* t) {
+static inline IOutputStream& operator<<(IOutputStream& o Y_LIFETIME_BOUND, const wchar16* t) {
     Out<const wchar16*>(o, t);
     return o;
 }
 
-static inline IOutputStream& operator<<(IOutputStream& o, wchar16* t) {
+static inline IOutputStream& operator<<(IOutputStream& o Y_LIFETIME_BOUND, wchar16* t) {
     Out<const wchar16*>(o, t);
     return o;
 }
 
-static inline IOutputStream& operator<<(IOutputStream& o, const wchar32* t) {
+static inline IOutputStream& operator<<(IOutputStream& o Y_LIFETIME_BOUND, const wchar32* t) {
     Out<const wchar32*>(o, t);
     return o;
 }
 
-static inline IOutputStream& operator<<(IOutputStream& o, wchar32* t) {
+static inline IOutputStream& operator<<(IOutputStream& o Y_LIFETIME_BOUND, wchar32* t) {
     Out<const wchar32*>(o, t);
     return o;
 }