Restoring authorship annotation for <tobo@yandex-team.ru>. Commit 2 of 2.

13 files changed, 133 insertions, 133 deletions

diff --git a/util/string/ascii_ut.cpp b/util/string/ascii_ut.cpp
index d4a31f61b6..89069fee50 100644
--- a/util/string/ascii_ut.cpp
+++ b/util/string/ascii_ut.cpp
@@ -64,7 +64,7 @@ Y_UNIT_TEST_SUITE(TAsciiTest) {
 
     Y_UNIT_TEST(CompareTest) {
         UNIT_ASSERT(AsciiEqualsIgnoreCase("qqq", "qQq"));
-        UNIT_ASSERT(AsciiEqualsIgnoreCase("qqq", TStringBuf("qQq"))); 
+        UNIT_ASSERT(AsciiEqualsIgnoreCase("qqq", TStringBuf("qQq")));
         TString qq = "qq";
         TString qQ = "qQ";
         UNIT_ASSERT(AsciiEqualsIgnoreCase(qq, qQ));
diff --git a/util/string/cast.cpp b/util/string/cast.cpp
index 2a4f697042..aa1e65a8e9 100644
--- a/util/string/cast.cpp
+++ b/util/string/cast.cpp
@@ -6,7 +6,7 @@
 
 #include <cstdio>
 #include <string>
-#include <cmath> 
+#include <cmath>
 
 #include <util/string/type.h>
 #include <util/string/cast.h>
@@ -31,12 +31,12 @@ using double_conversion::StringToDoubleConverter;
  */
 
 namespace {
-    constexpr char IntToChar[] = {'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F'}; 
+    constexpr char IntToChar[] = {'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F'};
 
     static_assert(Y_ARRAY_SIZE(IntToChar) == 16, "expect Y_ARRAY_SIZE(IntToChar) == 16");
 
     // clang-format off
-    constexpr int LetterToIntMap[] = { 
+    constexpr int LetterToIntMap[] = {
         20, 20, 20, 20, 20, 20, 20, 20, 20, 20,
         20, 20, 20, 20, 20, 20, 20, 20, 20, 20,
         20, 20, 20, 20, 20, 20, 20, 20, 20, 20,
@@ -52,17 +52,17 @@ namespace {
     // clang-format on
 
     template <class T>
-    std::enable_if_t<std::is_signed<T>::value, std::make_unsigned_t<T>> NegateNegativeSigned(T value) noexcept { 
+    std::enable_if_t<std::is_signed<T>::value, std::make_unsigned_t<T>> NegateNegativeSigned(T value) noexcept {
         return std::make_unsigned_t<T>(-(value + 1)) + std::make_unsigned_t<T>(1);
     }
 
     template <class T>
-    std::enable_if_t<std::is_unsigned<T>::value, std::make_unsigned_t<T>> NegateNegativeSigned(T) noexcept { 
+    std::enable_if_t<std::is_unsigned<T>::value, std::make_unsigned_t<T>> NegateNegativeSigned(T) noexcept {
         Y_UNREACHABLE();
     }
 
     template <class T>
-    std::make_signed_t<T> NegatePositiveSigned(T value) noexcept { 
+    std::make_signed_t<T> NegatePositiveSigned(T value) noexcept {
         return value > 0 ? (-std::make_signed_t<T>(value - 1) - 1) : 0;
     }
 
@@ -72,18 +72,18 @@ namespace {
         static_assert(std::is_unsigned<T>::value, "TBasicIntFormatter can only handle unsigned integers.");
 
         static inline size_t Format(T value, TChar* buf, size_t len) {
-            Y_ENSURE(len, TStringBuf("zero length")); 
+            Y_ENSURE(len, TStringBuf("zero length"));
 
             TChar* tmp = buf;
 
             do {
-                // divide only once, do not use mod 
-                const T nextVal = static_cast<T>(value / base); 
-                *tmp++ = IntToChar[base == 2 || base == 4 || base == 8 || base == 16 ? value & (base - 1) : value - base * nextVal]; 
-                value = nextVal; 
+                // divide only once, do not use mod
+                const T nextVal = static_cast<T>(value / base);
+                *tmp++ = IntToChar[base == 2 || base == 4 || base == 8 || base == 16 ? value & (base - 1) : value - base * nextVal];
+                value = nextVal;
             } while (value && --len);
 
-            Y_ENSURE(!value, TStringBuf("not enough room in buffer")); 
+            Y_ENSURE(!value, TStringBuf("not enough room in buffer"));
 
             const size_t result = tmp - buf;
 
@@ -111,7 +111,7 @@ namespace {
             using TUFmt = TBasicIntFormatter<std::make_unsigned_t<T>, base, TChar>;
 
             if (std::is_signed<T>::value && value < 0) {
-                Y_ENSURE(len >= 2, TStringBuf("not enough room in buffer")); 
+                Y_ENSURE(len >= 2, TStringBuf("not enough room in buffer"));
 
                 *buf = '-';
 
@@ -126,15 +126,15 @@ namespace {
     struct TFltModifiers;
 
     template <class T, int base, class TChar>
-    Y_NO_INLINE size_t FormatInt(T value, TChar* buf, size_t len) { 
+    Y_NO_INLINE size_t FormatInt(T value, TChar* buf, size_t len) {
         return TIntFormatter<T, base, TChar>::Format(value, buf, len);
     }
 
     template <class T>
-    inline size_t FormatFlt(T t, char* buf, size_t len) { 
+    inline size_t FormatFlt(T t, char* buf, size_t len) {
         const int ret = snprintf(buf, len, TFltModifiers<T>::ModifierWrite, t);
 
-        Y_ENSURE(ret >= 0 && (size_t)ret <= len, TStringBuf("cannot format float")); 
+        Y_ENSURE(ret >= 0 && (size_t)ret <= len, TStringBuf("cannot format float"));
 
         return (size_t)ret;
     }
@@ -148,7 +148,7 @@ namespace {
         PS_OVERFLOW,
     };
 
-    constexpr ui8 SAFE_LENS[4][17] = { 
+    constexpr ui8 SAFE_LENS[4][17] = {
         {0, 0, 7, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1},
         {0, 0, 15, 10, 7, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3},
         {0, 0, 31, 20, 15, 13, 12, 11, 10, 10, 9, 9, 8, 8, 8, 8, 7},
@@ -160,7 +160,7 @@ namespace {
     }
 
     template <unsigned BASE, class TChar, class T>
-    inline std::enable_if_t<(BASE > 10), bool> CharToDigit(TChar c, T* digit) noexcept { 
+    inline std::enable_if_t<(BASE > 10), bool> CharToDigit(TChar c, T* digit) noexcept {
         unsigned uc = c;
 
         if (uc >= Y_ARRAY_SIZE(LetterToIntMap)) {
@@ -173,7 +173,7 @@ namespace {
     }
 
     template <unsigned BASE, class TChar, class T>
-    inline std::enable_if_t<(BASE <= 10), bool> CharToDigit(TChar c, T* digit) noexcept { 
+    inline std::enable_if_t<(BASE <= 10), bool> CharToDigit(TChar c, T* digit) noexcept {
         return (c >= '0') && ((*digit = (c - '0')) < BASE);
     }
 
@@ -284,7 +284,7 @@ namespace {
                 return PS_EMPTY_STRING;
             }
 
-            bool negative = false; 
+            bool negative = false;
             TUnsigned max;
             if (*pos == '+') {
                 pos++;
@@ -329,22 +329,22 @@ namespace {
 
         switch (status) {
             case PS_EMPTY_STRING:
-                ythrow TFromStringException() << TStringBuf("Cannot parse empty string as number. "); 
+                ythrow TFromStringException() << TStringBuf("Cannot parse empty string as number. ");
             case PS_PLUS_STRING:
-                ythrow TFromStringException() << TStringBuf("Cannot parse string \"+\" as number. "); 
+                ythrow TFromStringException() << TStringBuf("Cannot parse string \"+\" as number. ");
             case PS_MINUS_STRING:
-                ythrow TFromStringException() << TStringBuf("Cannot parse string \"-\" as number. "); 
+                ythrow TFromStringException() << TStringBuf("Cannot parse string \"-\" as number. ");
             case PS_BAD_SYMBOL:
-                ythrow TFromStringException() << TStringBuf("Unexpected symbol \"") << EscapeC(*pos) << TStringBuf("\" at pos ") << (pos - data) << TStringBuf(" in string ") << TStringType(data, len).Quote() << TStringBuf(". "); 
+                ythrow TFromStringException() << TStringBuf("Unexpected symbol \"") << EscapeC(*pos) << TStringBuf("\" at pos ") << (pos - data) << TStringBuf(" in string ") << TStringType(data, len).Quote() << TStringBuf(". ");
             case PS_OVERFLOW:
-                ythrow TFromStringException() << TStringBuf("Integer overflow in string ") << TStringType(data, len).Quote() << TStringBuf(". "); 
+                ythrow TFromStringException() << TStringBuf("Integer overflow in string ") << TStringType(data, len).Quote() << TStringBuf(". ");
             default:
-                ythrow yexception() << TStringBuf("Unknown error code in string converter. "); 
+                ythrow yexception() << TStringBuf("Unknown error code in string converter. ");
         }
     }
 
     template <typename T, typename TUnsigned, int base, typename TChar>
-    Y_NO_INLINE T ParseInt(const TChar* data, size_t len, const TBounds<TUnsigned>& bounds) { 
+    Y_NO_INLINE T ParseInt(const TChar* data, size_t len, const TBounds<TUnsigned>& bounds) {
         T result;
         const TChar* pos = data;
         EParseStatus status = TIntParser<T, base, TChar>::Parse(&pos, pos + len, bounds, &result);
@@ -357,12 +357,12 @@ namespace {
     }
 
     template <typename T, typename TUnsigned, int base, typename TChar>
-    Y_NO_INLINE bool TryParseInt(const TChar* data, size_t len, const TBounds<TUnsigned>& bounds, T* result) { 
+    Y_NO_INLINE bool TryParseInt(const TChar* data, size_t len, const TBounds<TUnsigned>& bounds, T* result) {
         return TIntParser<T, base, TChar>::Parse(&data, data + len, bounds, result) == PS_OK;
     }
 
     template <class T>
-    inline T ParseFlt(const char* data, size_t len) { 
+    inline T ParseFlt(const char* data, size_t len) {
         /*
          * TODO
          */
@@ -384,7 +384,7 @@ namespace {
             return ret;
         }
 
-        ythrow TFromStringException() << TStringBuf("cannot parse float(") << TStringBuf(data, len) << TStringBuf(")"); 
+        ythrow TFromStringException() << TStringBuf("cannot parse float(") << TStringBuf(data, len) << TStringBuf(")");
     }
 
 #define DEF_FLT_MOD(type, modifierWrite, modifierRead)                    \
@@ -405,16 +405,16 @@ namespace {
      * sure they go into binary as actual values and there is no associated
      * initialization code.
      * */
-    constexpr TBounds<ui64> bSBounds = {static_cast<ui64>(SCHAR_MAX), static_cast<ui64>(UCHAR_MAX - SCHAR_MAX)}; 
-    constexpr TBounds<ui64> bUBounds = {static_cast<ui64>(UCHAR_MAX), 0}; 
-    constexpr TBounds<ui64> sSBounds = {static_cast<ui64>(SHRT_MAX), static_cast<ui64>(USHRT_MAX - SHRT_MAX)}; 
-    constexpr TBounds<ui64> sUBounds = {static_cast<ui64>(USHRT_MAX), 0}; 
-    constexpr TBounds<ui64> iSBounds = {static_cast<ui64>(INT_MAX), static_cast<ui64>(UINT_MAX - INT_MAX)}; 
-    constexpr TBounds<ui64> iUBounds = {static_cast<ui64>(UINT_MAX), 0}; 
-    constexpr TBounds<ui64> lSBounds = {static_cast<ui64>(LONG_MAX), static_cast<ui64>(ULONG_MAX - LONG_MAX)}; 
-    constexpr TBounds<ui64> lUBounds = {static_cast<ui64>(ULONG_MAX), 0}; 
-    constexpr TBounds<ui64> llSBounds = {static_cast<ui64>(LLONG_MAX), static_cast<ui64>(ULLONG_MAX - LLONG_MAX)}; 
-    constexpr TBounds<ui64> llUBounds = {static_cast<ui64>(ULLONG_MAX), 0}; 
+    constexpr TBounds<ui64> bSBounds = {static_cast<ui64>(SCHAR_MAX), static_cast<ui64>(UCHAR_MAX - SCHAR_MAX)};
+    constexpr TBounds<ui64> bUBounds = {static_cast<ui64>(UCHAR_MAX), 0};
+    constexpr TBounds<ui64> sSBounds = {static_cast<ui64>(SHRT_MAX), static_cast<ui64>(USHRT_MAX - SHRT_MAX)};
+    constexpr TBounds<ui64> sUBounds = {static_cast<ui64>(USHRT_MAX), 0};
+    constexpr TBounds<ui64> iSBounds = {static_cast<ui64>(INT_MAX), static_cast<ui64>(UINT_MAX - INT_MAX)};
+    constexpr TBounds<ui64> iUBounds = {static_cast<ui64>(UINT_MAX), 0};
+    constexpr TBounds<ui64> lSBounds = {static_cast<ui64>(LONG_MAX), static_cast<ui64>(ULONG_MAX - LONG_MAX)};
+    constexpr TBounds<ui64> lUBounds = {static_cast<ui64>(ULONG_MAX), 0};
+    constexpr TBounds<ui64> llSBounds = {static_cast<ui64>(LLONG_MAX), static_cast<ui64>(ULLONG_MAX - LLONG_MAX)};
+    constexpr TBounds<ui64> llUBounds = {static_cast<ui64>(ULLONG_MAX), 0};
 }
 
 #define DEF_INT_SPEC_II(TYPE, ITYPE, BASE)                              \
@@ -474,7 +474,7 @@ DEF_FLT_SPEC(long double)
 
 template <>
 size_t ToStringImpl<bool>(bool t, char* buf, size_t len) {
-    Y_ENSURE(len, TStringBuf("zero length")); 
+    Y_ENSURE(len, TStringBuf("zero length"));
     *buf = t ? '1' : '0';
     return 1;
 }
@@ -510,7 +510,7 @@ bool FromStringImpl<bool>(const char* data, size_t len) {
     bool result;
 
     if (!TryFromStringImpl<bool>(data, len, result)) {
-        ythrow TFromStringException() << TStringBuf("Cannot parse bool(") << TStringBuf(data, len) << TStringBuf("). "); 
+        ythrow TFromStringException() << TStringBuf("Cannot parse bool(") << TStringBuf(data, len) << TStringBuf("). ");
     }
 
     return result;
@@ -683,7 +683,7 @@ template <>
 double FromStringImpl<double>(const char* data, size_t len) {
     double d = 0.0;
     if (!TryFromStringImpl(data, len, d)) {
-        ythrow TFromStringException() << TStringBuf("cannot parse float(") << TStringBuf(data, len) << TStringBuf(")"); 
+        ythrow TFromStringException() << TStringBuf("cannot parse float(") << TStringBuf(data, len) << TStringBuf(")");
     }
     return d;
 }
diff --git a/util/string/cast_ut.cpp b/util/string/cast_ut.cpp
index 1a1d6c5d91..033450c38c 100644
--- a/util/string/cast_ut.cpp
+++ b/util/string/cast_ut.cpp
@@ -282,10 +282,10 @@ Y_UNIT_TEST_SUITE(TCastTest) {
 
         UNIT_ASSERT_STRINGS_EQUAL(FloatToString(std::numeric_limits<double>::quiet_NaN()), "nan");
         UNIT_ASSERT_STRINGS_EQUAL(FloatToString(std::numeric_limits<double>::infinity()), "inf");
-        UNIT_ASSERT_STRINGS_EQUAL(FloatToString(-std::numeric_limits<double>::infinity()), "-inf"); 
- 
-        UNIT_ASSERT_STRINGS_EQUAL(FloatToString(std::numeric_limits<float>::quiet_NaN()), "nan"); 
-        UNIT_ASSERT_STRINGS_EQUAL(FloatToString(std::numeric_limits<float>::infinity()), "inf"); 
+        UNIT_ASSERT_STRINGS_EQUAL(FloatToString(-std::numeric_limits<double>::infinity()), "-inf");
+
+        UNIT_ASSERT_STRINGS_EQUAL(FloatToString(std::numeric_limits<float>::quiet_NaN()), "nan");
+        UNIT_ASSERT_STRINGS_EQUAL(FloatToString(std::numeric_limits<float>::infinity()), "inf");
         UNIT_ASSERT_STRINGS_EQUAL(FloatToString(-std::numeric_limits<float>::infinity()), "-inf");
     }
 
@@ -452,7 +452,7 @@ Y_UNIT_TEST_SUITE(TCastTest) {
     Y_UNIT_TEST(TestAutoDetectType) {
         UNIT_ASSERT_DOUBLES_EQUAL((float)FromString("0.0001"), 0.0001, EPS);
         UNIT_ASSERT_DOUBLES_EQUAL((double)FromString("0.0015", sizeof("0.0015") - 2), 0.001, EPS);
-        UNIT_ASSERT_DOUBLES_EQUAL((long double)FromString(TStringBuf("0.0001")), 0.0001, EPS); 
+        UNIT_ASSERT_DOUBLES_EQUAL((long double)FromString(TStringBuf("0.0001")), 0.0001, EPS);
         UNIT_ASSERT_DOUBLES_EQUAL((float)FromString(TString("10E-5")), 10E-5, EPS);
         UNIT_ASSERT_VALUES_EQUAL((bool)FromString("da"), true);
         UNIT_ASSERT_VALUES_EQUAL((bool)FromString("no"), false);
@@ -512,13 +512,13 @@ Y_UNIT_TEST_SUITE(TCastTest) {
 
     Y_UNIT_TEST(TryStringBuf) {
         {
-            constexpr TStringBuf hello = "hello"; 
+            constexpr TStringBuf hello = "hello";
             TStringBuf out;
             UNIT_ASSERT(TryFromString(hello, out));
             UNIT_ASSERT_VALUES_EQUAL(hello, out);
         }
         {
-            constexpr TStringBuf empty = ""; 
+            constexpr TStringBuf empty = "";
             TStringBuf out;
             UNIT_ASSERT(TryFromString(empty, out));
             UNIT_ASSERT_VALUES_EQUAL(empty, out);
diff --git a/util/string/escape_ut.cpp b/util/string/escape_ut.cpp
index 68513df10c..cd38ecffd3 100644
--- a/util/string/escape_ut.cpp
+++ b/util/string/escape_ut.cpp
@@ -5,8 +5,8 @@
 #include <util/generic/string.h>
 #include <util/charset/wide.h>
 
-using namespace std::string_view_literals; 
- 
+using namespace std::string_view_literals;
+
 namespace {
     struct TExample {
         TString Expected;
@@ -22,11 +22,11 @@ namespace {
 
 static const TExample CommonTestData[] = {
     // Should be valid UTF-8.
-    {"http://ya.ru/", "http://ya.ru/"}, 
-    {"http://ya.ru/\\x17\\n", "http://ya.ru/\x17\n"}, 
+    {"http://ya.ru/", "http://ya.ru/"},
+    {"http://ya.ru/\\x17\\n", "http://ya.ru/\x17\n"},
 
-    {"http://ya.ru/\\0", "http://ya.ru/\0"sv}, 
-    {"http://ya.ru/\\0\\0", "http://ya.ru/\0\0"sv}, 
+    {"http://ya.ru/\\0", "http://ya.ru/\0"sv},
+    {"http://ya.ru/\\0\\0", "http://ya.ru/\0\0"sv},
     {"http://ya.ru/\\0\\0000", "http://ya.ru/\0\0"
                                "0"sv},
     {"http://ya.ru/\\0\\0001", "http://ya.ru/\0\x00"
@@ -37,13 +37,13 @@ static const TExample CommonTestData[] = {
     {R"(\2\4\689)", "\2\4\6"
                     "89"sv}, // \6 -> \6 because next char '8' is not "octal"
 
-    {R"(\"Hello\", Alice said.)", "\"Hello\", Alice said."}, 
-    {"Slash\\\\dash!", "Slash\\dash!"}, 
-    {R"(There\nare\r\nnewlines.)", "There\nare\r\nnewlines."}, 
-    {"There\\tare\\ttabs.", "There\tare\ttabs."}, 
+    {R"(\"Hello\", Alice said.)", "\"Hello\", Alice said."},
+    {"Slash\\\\dash!", "Slash\\dash!"},
+    {R"(There\nare\r\nnewlines.)", "There\nare\r\nnewlines."},
+    {"There\\tare\\ttabs.", "There\tare\ttabs."},
 
-    {"There are questions \\x3F\\x3F?", "There are questions ???"}, 
-    {"There are questions \\x3F?", "There are questions ??"}, 
+    {"There are questions \\x3F\\x3F?", "There are questions ???"},
+    {"There are questions \\x3F?", "There are questions ??"},
 };
 
 Y_UNIT_TEST_SUITE(TEscapeCTest) {
diff --git a/util/string/hex.cpp b/util/string/hex.cpp
index 4d5ea72e7d..667397987f 100644
--- a/util/string/hex.cpp
+++ b/util/string/hex.cpp
@@ -32,7 +32,7 @@ char* HexEncode(const void* in, size_t len, char* out) {
 void* HexDecode(const void* in, size_t len, void* ptr) {
     const char* b = (const char*)in;
     const char* e = b + len;
-    Y_ENSURE(!(len & 1), TStringBuf("Odd buffer length passed to HexDecode")); 
+    Y_ENSURE(!(len & 1), TStringBuf("Odd buffer length passed to HexDecode"));
 
     char* out = (char*)ptr;
 
diff --git a/util/string/join_ut.cpp b/util/string/join_ut.cpp
index f23d2c0440..3ed2b2459c 100644
--- a/util/string/join_ut.cpp
+++ b/util/string/join_ut.cpp
@@ -19,7 +19,7 @@ Y_UNIT_TEST_SUITE(JoinStringTest) {
         UNIT_ASSERT_EQUAL(Join(", ", 10, 11.1, "foobar"), "10, 11.1, foobar");
         UNIT_ASSERT_EQUAL(Join(", ", 10, 11.1, TString("foobar")), "10, 11.1, foobar");
 
-        UNIT_ASSERT_EQUAL(Join('#', 0, "a", "foobar", -1.4, TStringBuf("aaa")), "0#a#foobar#-1.4#aaa"); 
+        UNIT_ASSERT_EQUAL(Join('#', 0, "a", "foobar", -1.4, TStringBuf("aaa")), "0#a#foobar#-1.4#aaa");
         UNIT_ASSERT_EQUAL(Join("", "", ""), "");
         UNIT_ASSERT_EQUAL(Join("", "a", "b", "c"), "abc");
         UNIT_ASSERT_EQUAL(Join("", "a", "b", "", "c"), "abc");
diff --git a/util/string/split.h b/util/string/split.h
index 401d75bdd9..bc46d9e64c 100644
--- a/util/string/split.h
+++ b/util/string/split.h
@@ -427,7 +427,7 @@ inline size_t Split(const TStringBuf s, const TSetDelimiter<const char>& delim,
 template <class P, class D>
 void GetNext(TStringBuf& s, D delim, P& param) {
     TStringBuf next = s.NextTok(delim);
-    Y_ENSURE(next.IsInited(), TStringBuf("Split: number of fields less than number of Split output arguments")); 
+    Y_ENSURE(next.IsInited(), TStringBuf("Split: number of fields less than number of Split output arguments"));
     param = FromString<P>(next);
 }
 
@@ -442,12 +442,12 @@ void GetNext(TStringBuf& s, D delim, TMaybe<P>& param) {
 }
 
 // example:
-// Split(TStringBuf("Sherlock,2014,36.6"), ',', name, year, temperature); 
+// Split(TStringBuf("Sherlock,2014,36.6"), ',', name, year, temperature);
 template <class D, class P1, class P2>
 void Split(TStringBuf s, D delim, P1& p1, P2& p2) {
     GetNext(s, delim, p1);
     GetNext(s, delim, p2);
-    Y_ENSURE(!s.IsInited(), TStringBuf("Split: number of fields more than number of Split output arguments")); 
+    Y_ENSURE(!s.IsInited(), TStringBuf("Split: number of fields more than number of Split output arguments"));
 }
 
 template <class D, class P1, class P2, class... Other>
diff --git a/util/string/split_ut.cpp b/util/string/split_ut.cpp
index 7f4c0d6d23..43e59f2d75 100644
--- a/util/string/split_ut.cpp
+++ b/util/string/split_ut.cpp
@@ -648,7 +648,7 @@ Y_UNIT_TEST_SUITE(StringSplitter) {
 
         TVector<TString> actual1 = {"another", "one,", "and", "another", "one"};
         num = 0;
-        for (TStringBuf elem : StringSplitter(TStringBuf("another one, and \n\n     another    one")).SplitBySet(" \n").SkipEmpty()) { 
+        for (TStringBuf elem : StringSplitter(TStringBuf("another one, and \n\n     another    one")).SplitBySet(" \n").SkipEmpty()) {
             UNIT_ASSERT_VALUES_EQUAL(elem, actual1[num++]);
         }
 
diff --git a/util/string/strip_ut.cpp b/util/string/strip_ut.cpp
index 84451b467c..d1029d1498 100644
--- a/util/string/strip_ut.cpp
+++ b/util/string/strip_ut.cpp
@@ -94,15 +94,15 @@ Y_UNIT_TEST_SUITE(TStripStringTest) {
     }
 
     Y_UNIT_TEST(TestWtrokaStrip) {
-        UNIT_ASSERT_EQUAL(StripString(TWtringBuf(u" abc ")), u"abc"); 
-        UNIT_ASSERT_EQUAL(StripStringLeft(TWtringBuf(u" abc ")), u"abc "); 
-        UNIT_ASSERT_EQUAL(StripStringRight(TWtringBuf(u" abc ")), u" abc"); 
+        UNIT_ASSERT_EQUAL(StripString(TWtringBuf(u" abc ")), u"abc");
+        UNIT_ASSERT_EQUAL(StripStringLeft(TWtringBuf(u" abc ")), u"abc ");
+        UNIT_ASSERT_EQUAL(StripStringRight(TWtringBuf(u" abc ")), u" abc");
     }
 
     Y_UNIT_TEST(TestWtrokaCustomStrip) {
         UNIT_ASSERT_EQUAL(
             StripString(
-                TWtringBuf(u"/abc/"), 
+                TWtringBuf(u"/abc/"),
                 EqualsStripAdapter(u'/')),
             u"abc");
     }
diff --git a/util/string/type.cpp b/util/string/type.cpp
index 3fbc547fc6..49671c02c2 100644
--- a/util/string/type.cpp
+++ b/util/string/type.cpp
@@ -17,38 +17,38 @@ bool IsSpace(const char* s, size_t len) noexcept {
 
 template <typename TStringType>
 static bool IsNumberT(const TStringType& s) noexcept {
-    if (s.empty()) { 
-        return false; 
-    } 
- 
+    if (s.empty()) {
+        return false;
+    }
+
     return std::all_of(s.begin(), s.end(), IsAsciiDigit<typename TStringType::value_type>);
-} 
- 
+}
+
 bool IsNumber(const TStringBuf s) noexcept {
-    return IsNumberT(s); 
-} 
- 
+    return IsNumberT(s);
+}
+
 bool IsNumber(const TWtringBuf s) noexcept {
-    return IsNumberT(s); 
-} 
- 
+    return IsNumberT(s);
+}
+
 template <typename TStringType>
 static bool IsHexNumberT(const TStringType& s) noexcept {
-    if (s.empty()) { 
+    if (s.empty()) {
         return false;
-    } 
+    }
 
     return std::all_of(s.begin(), s.end(), IsAsciiHex<typename TStringType::value_type>);
 }
 
 bool IsHexNumber(const TStringBuf s) noexcept {
-    return IsHexNumberT(s); 
-} 
- 
+    return IsHexNumberT(s);
+}
+
 bool IsHexNumber(const TWtringBuf s) noexcept {
-    return IsHexNumberT(s); 
-} 
- 
+    return IsHexNumberT(s);
+}
+
 namespace {
     template <size_t N>
     bool IsCaseInsensitiveAnyOf(TStringBuf str, const std::array<TStringBuf, N>& options) {
@@ -63,24 +63,24 @@ namespace {
 
 bool IsTrue(const TStringBuf v) noexcept {
     static constexpr std::array<TStringBuf, 7> trueOptions{
-        "true", 
-        "t", 
-        "yes", 
-        "y", 
-        "on", 
-        "1", 
-        "da"}; 
+        "true",
+        "t",
+        "yes",
+        "y",
+        "on",
+        "1",
+        "da"};
     return IsCaseInsensitiveAnyOf(v, trueOptions);
 }
 
 bool IsFalse(const TStringBuf v) noexcept {
     static constexpr std::array<TStringBuf, 7> falseOptions{
-        "false", 
-        "f", 
-        "no", 
-        "n", 
-        "off", 
-        "0", 
-        "net"}; 
+        "false",
+        "f",
+        "no",
+        "n",
+        "off",
+        "0",
+        "net"};
     return IsCaseInsensitiveAnyOf(v, falseOptions);
 }
diff --git a/util/string/type.h b/util/string/type.h
index a868cc265a..d6cb29ea58 100644
--- a/util/string/type.h
+++ b/util/string/type.h
@@ -18,7 +18,7 @@ Y_PURE_FUNCTION bool IsNumber(const TWtringBuf s) noexcept;
 Y_PURE_FUNCTION bool IsHexNumber(const TStringBuf s) noexcept;
 
 Y_PURE_FUNCTION bool IsHexNumber(const TWtringBuf s) noexcept;
- 
+
 /* Tests if the given string is case insensitive equal to one of:
  * - "true",
  * - "t",
diff --git a/util/string/type_ut.cpp b/util/string/type_ut.cpp
index d41b7edb37..03e7af62bd 100644
--- a/util/string/type_ut.cpp
+++ b/util/string/type_ut.cpp
@@ -2,8 +2,8 @@
 
 #include <library/cpp/testing/unittest/registar.h>
 
-#include <util/charset/wide.h> 
- 
+#include <util/charset/wide.h>
+
 Y_UNIT_TEST_SUITE(TStringClassify) {
     Y_UNIT_TEST(TestIsSpace) {
         UNIT_ASSERT_EQUAL(IsSpace(" "), true);
@@ -38,32 +38,32 @@ Y_UNIT_TEST_SUITE(TStringClassify) {
         UNIT_ASSERT(!IsFalse("fa"));
         UNIT_ASSERT(!IsFalse("foobar"));
     }
- 
+
     Y_UNIT_TEST(TestIsNumber) {
-        UNIT_ASSERT(IsNumber("0")); 
-        UNIT_ASSERT(IsNumber("12345678901234567890")); 
-        UNIT_ASSERT(!IsNumber("1234567890a")); 
-        UNIT_ASSERT(!IsNumber("12345xx67890a")); 
-        UNIT_ASSERT(!IsNumber("foobar")); 
+        UNIT_ASSERT(IsNumber("0"));
+        UNIT_ASSERT(IsNumber("12345678901234567890"));
+        UNIT_ASSERT(!IsNumber("1234567890a"));
+        UNIT_ASSERT(!IsNumber("12345xx67890a"));
+        UNIT_ASSERT(!IsNumber("foobar"));
         UNIT_ASSERT(!IsNumber(""));
- 
+
         UNIT_ASSERT(IsNumber(u"0"));
         UNIT_ASSERT(IsNumber(u"12345678901234567890"));
         UNIT_ASSERT(!IsNumber(u"1234567890a"));
         UNIT_ASSERT(!IsNumber(u"12345xx67890a"));
         UNIT_ASSERT(!IsNumber(u"foobar"));
-    } 
- 
+    }
+
     Y_UNIT_TEST(TestIsHexNumber) {
-        UNIT_ASSERT(IsHexNumber("0")); 
-        UNIT_ASSERT(IsHexNumber("aaaadddAAAAA")); 
-        UNIT_ASSERT(IsHexNumber("0123456789ABCDEFabcdef")); 
-        UNIT_ASSERT(IsHexNumber("12345678901234567890")); 
-        UNIT_ASSERT(IsHexNumber("1234567890a")); 
-        UNIT_ASSERT(!IsHexNumber("12345xx67890a")); 
-        UNIT_ASSERT(!IsHexNumber("foobar")); 
+        UNIT_ASSERT(IsHexNumber("0"));
+        UNIT_ASSERT(IsHexNumber("aaaadddAAAAA"));
+        UNIT_ASSERT(IsHexNumber("0123456789ABCDEFabcdef"));
+        UNIT_ASSERT(IsHexNumber("12345678901234567890"));
+        UNIT_ASSERT(IsHexNumber("1234567890a"));
+        UNIT_ASSERT(!IsHexNumber("12345xx67890a"));
+        UNIT_ASSERT(!IsHexNumber("foobar"));
         UNIT_ASSERT(!IsHexNumber(TString()));
- 
+
         UNIT_ASSERT(IsHexNumber(u"0"));
         UNIT_ASSERT(IsHexNumber(u"aaaadddAAAAA"));
         UNIT_ASSERT(IsHexNumber(u"0123456789ABCDEFabcdef"));
@@ -72,5 +72,5 @@ Y_UNIT_TEST_SUITE(TStringClassify) {
         UNIT_ASSERT(!IsHexNumber(u"12345xx67890a"));
         UNIT_ASSERT(!IsHexNumber(u"foobar"));
         UNIT_ASSERT(!IsHexNumber(TUtf16String()));
-    } 
+    }
 }
diff --git a/util/string/util.h b/util/string/util.h
index 24fcaa5bb8..0d77a5042b 100644
--- a/util/string/util.h
+++ b/util/string/util.h
@@ -73,13 +73,13 @@ public:
     /// [DIFFERENCE FOR NOT_FOUND CASE: Returns end of string, not NULL]
     const char* brk(const char* s) const {
         while (c_chars_table[(ui8)*s])
-            ++s; 
+            ++s;
         return s;
     }
 
     const char* brk(const char* s, const char* e) const {
         while (s < e && c_chars_table[(ui8)*s])
-            ++s; 
+            ++s;
         return s;
     }
 
@@ -87,13 +87,13 @@ public:
     /// That is, skip all characters in table
     const char* cbrk(const char* s) const {
         while (chars_table[(ui8)*s])
-            ++s; 
+            ++s;
         return s;
     }
 
     const char* cbrk(const char* s, const char* e) const {
         while (s < e && chars_table[(ui8)*s])
-            ++s; 
+            ++s;
         return s;
     }
 
@@ -148,7 +148,7 @@ public:
 
 protected:
     void init(const char* charset, bool extended);
-    str_spn() = default; 
+    str_spn() = default;
 };
 
 // an analogue of tr/$from/$to/