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

25 files changed, 198 insertions, 198 deletions

diff --git a/util/datetime/base.h b/util/datetime/base.h
index 6a8710b3a6..5e902b8f63 100644
--- a/util/datetime/base.h
+++ b/util/datetime/base.h
@@ -45,7 +45,7 @@ class TDateTimeParseException: public yexception {
 
 const int DATE_BUF_LEN = 4 + 2 + 2 + 1; // [YYYYMMDD*]
 
-constexpr long seconds(const struct tm& theTm) { 
+constexpr long seconds(const struct tm& theTm) {
     return 60 * (60 * theTm.tm_hour + theTm.tm_min) + theTm.tm_sec;
 }
 
@@ -78,7 +78,7 @@ bool ParseHTTPDateTime(const char* date, size_t dateLen, time_t& utcTime);
 bool ParseX509ValidityDateTime(const char* date, time_t& utcTime);
 bool ParseX509ValidityDateTime(const char* date, size_t dateLen, time_t& utcTime);
 
-constexpr long TVdiff(timeval r1, timeval r2) { 
+constexpr long TVdiff(timeval r1, timeval r2) {
     return (1000000 * (r2.tv_sec - r1.tv_sec) + (r2.tv_usec - r1.tv_usec));
 }
 
@@ -264,9 +264,9 @@ public:
         return TDuration(us);
     }
 
-    /* noexcept(false) as conversion from T might throw, for example FromString("abc") */ 
+    /* noexcept(false) as conversion from T might throw, for example FromString("abc") */
     template <typename T>
-    static constexpr TDuration MilliSeconds(T ms) noexcept(false) { 
+    static constexpr TDuration MilliSeconds(T ms) noexcept(false) {
         return MicroSeconds((ui64)(typename NDateTimeHelpers::TPrecisionHelper<T>::THighPrecision(ms) * 1000));
     }
 
@@ -279,7 +279,7 @@ public:
 
     /// DeadLineFromTimeOut
     inline TInstant ToDeadLine() const;
-    constexpr TInstant ToDeadLine(TInstant now) const; 
+    constexpr TInstant ToDeadLine(TInstant now) const;
 
     static constexpr TDuration Max() noexcept {
         return TDuration(::Max<TValue>());
@@ -289,9 +289,9 @@ public:
         return TDuration();
     }
 
-    /* noexcept(false) as conversion from T might throw, for example FromString("abc") */ 
+    /* noexcept(false) as conversion from T might throw, for example FromString("abc") */
     template <typename T>
-    static constexpr TDuration Seconds(T s) noexcept(false) { 
+    static constexpr TDuration Seconds(T s) noexcept(false) {
         return MilliSeconds(typename NDateTimeHelpers::TPrecisionHelper<T>::THighPrecision(s) * 1000);
     }
 
@@ -571,7 +571,7 @@ namespace NPrivate {
     struct TPrintableLocalTime {
         TInstant MomentToPrint;
 
-        constexpr explicit TPrintableLocalTime(TInstant momentToPrint) 
+        constexpr explicit TPrintableLocalTime(TInstant momentToPrint)
             : MomentToPrint(momentToPrint)
         {
         }
@@ -633,17 +633,17 @@ static constexpr bool operator>=(const TTimeBase<S>& l, const TTimeBase<S>& r) n
 
 namespace NDateTimeHelpers {
     template <typename T>
-    static constexpr T SumWithSaturation(T a, T b) { 
+    static constexpr T SumWithSaturation(T a, T b) {
         static_assert(!std::numeric_limits<T>::is_signed, "expect !std::numeric_limits<T>::is_signed");
 
-        return Max<T>() - a < b ? Max<T>() : a + b; 
+        return Max<T>() - a < b ? Max<T>() : a + b;
     }
 
     template <typename T>
-    static constexpr T DiffWithSaturation(T a, T b) { 
+    static constexpr T DiffWithSaturation(T a, T b) {
         static_assert(!std::numeric_limits<T>::is_signed, "expect !std::numeric_limits<T>::is_signed");
 
-        return a < b ? 0 : a - b; 
+        return a < b ? 0 : a - b;
     }
 }
 
@@ -803,11 +803,11 @@ constexpr double operator/(const TDuration& x, const TDuration& y) noexcept {
     return static_cast<double>(x.GetValue()) / static_cast<double>(y.GetValue());
 }
 
-inline TInstant TDuration::ToDeadLine() const { 
+inline TInstant TDuration::ToDeadLine() const {
     return ToDeadLine(TInstant::Now());
 }
 
-constexpr TInstant TDuration::ToDeadLine(TInstant now) const { 
+constexpr TInstant TDuration::ToDeadLine(TInstant now) const {
     return now + *this;
 }
 
diff --git a/util/datetime/base_ut.cpp b/util/datetime/base_ut.cpp
index 0291c39329..afc3f802eb 100644
--- a/util/datetime/base_ut.cpp
+++ b/util/datetime/base_ut.cpp
@@ -491,11 +491,11 @@ Y_UNIT_TEST_SUITE(DateTimeTest) {
     Y_UNIT_TEST(TestDurationUnits) {
         TestTimeUnits<TDuration>();
     }
- 
+
     Y_UNIT_TEST(TestNoexceptConstruction) {
         UNIT_ASSERT_EXCEPTION(TDuration::MilliSeconds(FromString(TStringBuf("not a number"))), yexception);
         UNIT_ASSERT_EXCEPTION(TDuration::Seconds(FromString(TStringBuf("not a number"))), yexception);
-    } 
+    }
 
     Y_UNIT_TEST(TestFromValueForTDuration) {
         // check that FromValue creates the same TDuration
diff --git a/util/folder/path.h b/util/folder/path.h
index 62c9741d1b..2fb4d6b4ef 100644
--- a/util/folder/path.h
+++ b/util/folder/path.h
@@ -62,9 +62,9 @@ public:
 
     TFsPath& operator/=(const TFsPath& that);
 
-    friend TFsPath operator/(const TFsPath& s, const TFsPath& p) { 
-        TFsPath ret(s); 
-        return ret /= p; 
+    friend TFsPath operator/(const TFsPath& s, const TFsPath& p) {
+        TFsPath ret(s);
+        return ret /= p;
     }
 
     const TPathSplit& PathSplit() const;
diff --git a/util/folder/tempdir.h b/util/folder/tempdir.h
index 0eef1c2e1f..ff458f83b9 100644
--- a/util/folder/tempdir.h
+++ b/util/folder/tempdir.h
@@ -1,7 +1,7 @@
 #pragma once
 
 #include "fwd.h"
-#include "path.h" 
+#include "path.h"
 #include <util/generic/string.h>
 
 class TTempDir {
@@ -22,10 +22,10 @@ public:
     }
 
     const TString& Name() const {
-        return TempDir.GetPath(); 
-    } 
- 
-    const TFsPath& Path() const { 
+        return TempDir.GetPath();
+    }
+
+    const TFsPath& Path() const {
         return TempDir;
     }
 
@@ -38,6 +38,6 @@ private:
     // by requiring additional fake argument.
     TTempDir(const char* prefix, TCreationToken);
 
-    TFsPath TempDir; 
+    TFsPath TempDir;
     bool Remove;
 };
diff --git a/util/generic/fwd.h b/util/generic/fwd.h
index 6bc808a8c2..5cc2da40e5 100644
--- a/util/generic/fwd.h
+++ b/util/generic/fwd.h
@@ -132,7 +132,7 @@ class TSharedPtr;
 
 template <class T, class C = TCopyNew, class D = TDelete>
 class TCopyPtr;
- 
+
 template <class TPtr, class TCopy = TCopyNew>
 class TCowPtr;
 
@@ -151,13 +151,13 @@ using TArrayPtr = TAutoPtr<T, TDeleteArray>;
 template <typename T>
 using TMallocPtr = TAutoPtr<T, TFree>;
 
-//maybe 
-namespace NMaybe { 
-    struct TPolicyUndefinedExcept; 
-} 
+//maybe
+namespace NMaybe {
+    struct TPolicyUndefinedExcept;
+}
 
-template <class T, class Policy = ::NMaybe::TPolicyUndefinedExcept> 
-class TMaybe; 
+template <class T, class Policy = ::NMaybe::TPolicyUndefinedExcept>
+class TMaybe;
 
 struct TGUID;
 
diff --git a/util/generic/hash.cpp b/util/generic/hash.cpp
index bbc922072e..a674ee4538 100644
--- a/util/generic/hash.cpp
+++ b/util/generic/hash.cpp
@@ -1,18 +1,18 @@
 #include "hash.h"
 
-#include <util/string/escape.h> 
+#include <util/string/escape.h>
 #include <util/string/cast.h>
 
 const void* const _yhashtable_empty_data[] = {(void*)3, nullptr, (void*)1};
- 
+
 TString NPrivate::MapKeyToString(TStringBuf key) {
-    constexpr size_t HASH_KEY_MAX_LENGTH = 500; 
-    try { 
-        return EscapeC(key.substr(0, HASH_KEY_MAX_LENGTH)); 
-    } catch (...) { 
+    constexpr size_t HASH_KEY_MAX_LENGTH = 500;
+    try {
+        return EscapeC(key.substr(0, HASH_KEY_MAX_LENGTH));
+    } catch (...) {
         return "TStringBuf";
-    } 
-} 
+    }
+}
 
 TString NPrivate::MapKeyToString(unsigned short key) {
     return ToString(key);
diff --git a/util/generic/hash.h b/util/generic/hash.h
index 30d00685e8..e46db21fa9 100644
--- a/util/generic/hash.h
+++ b/util/generic/hash.h
@@ -1390,12 +1390,12 @@ void THashTable<V, K, HF, Ex, Eq, A>::copy_from_dynamic(const THashTable& ht) {
 #endif /* __STL_USE_EXCEPTIONS */
 }
 
-namespace NPrivate { 
+namespace NPrivate {
     template <class Key>
     inline TString MapKeyToString(const Key&) {
         return TypeName<Key>();
-    } 
- 
+    }
+
     TString MapKeyToString(TStringBuf key);
     TString MapKeyToString(unsigned short key);
     TString MapKeyToString(short key);
@@ -1405,22 +1405,22 @@ namespace NPrivate {
     TString MapKeyToString(long key);
     TString MapKeyToString(unsigned long long key);
     TString MapKeyToString(long long key);
- 
+
     inline TString MapKeyToString(const TString& key) {
-        return MapKeyToString(TStringBuf(key)); 
-    } 
- 
+        return MapKeyToString(TStringBuf(key));
+    }
+
     inline TString MapKeyToString(const char* key) {
-        return MapKeyToString(TStringBuf(key)); 
-    } 
- 
+        return MapKeyToString(TStringBuf(key));
+    }
+
     inline TString MapKeyToString(char* key) {
-        return MapKeyToString(TStringBuf(key)); 
-    } 
+        return MapKeyToString(TStringBuf(key));
+    }
 
     [[noreturn]] void ThrowKeyNotFoundInHashTableException(const TStringBuf keyRepresentation);
 }
- 
+
 template <class Key, class T, class HashFcn, class EqualKey, class Alloc>
 class THashMap: public TMapOps<THashMap<Key, T, HashFcn, EqualKey, Alloc>> {
 private:
diff --git a/util/generic/hash_ut.cpp b/util/generic/hash_ut.cpp
index 3df3371dbe..0551d58770 100644
--- a/util/generic/hash_ut.cpp
+++ b/util/generic/hash_ut.cpp
@@ -21,11 +21,11 @@ class THashTest: public TTestBase {
     UNIT_TEST(TestHMMap1);
     UNIT_TEST(TestHMMapHas);
     UNIT_TEST(TestHSetConstructorsAndAssignments);
-    UNIT_TEST(TestHSetSize); 
+    UNIT_TEST(TestHSetSize);
     UNIT_TEST(TestHSet2);
     UNIT_TEST(TestHSetEqualityOperator);
     UNIT_TEST(TestHMSetConstructorsAndAssignments);
-    UNIT_TEST(TestHMSetSize); 
+    UNIT_TEST(TestHMSetSize);
     UNIT_TEST(TestHMSet1);
     UNIT_TEST(TestHMSetEqualityOperator);
     UNIT_TEST(TestHMSetEmplace);
@@ -52,7 +52,7 @@ class THashTest: public TTestBase {
     UNIT_TEST(TestValueInitialization);
     UNIT_TEST(TestAssignmentClear);
     UNIT_TEST(TestReleaseNodes);
-    UNIT_TEST(TestAt); 
+    UNIT_TEST(TestAt);
     UNIT_TEST(TestHMapInitializerList);
     UNIT_TEST(TestHMMapInitializerList);
     UNIT_TEST(TestHSetInitializerList);
@@ -72,11 +72,11 @@ protected:
     void TestHMMap1();
     void TestHMMapHas();
     void TestHSetConstructorsAndAssignments();
-    void TestHSetSize(); 
+    void TestHSetSize();
     void TestHSet2();
     void TestHSetEqualityOperator();
     void TestHMSetConstructorsAndAssignments();
-    void TestHMSetSize(); 
+    void TestHMSetSize();
     void TestHMSet1();
     void TestHMSetEqualityOperator();
     void TestHMSetEmplace();
@@ -103,7 +103,7 @@ protected:
     void TestValueInitialization();
     void TestAssignmentClear();
     void TestReleaseNodes();
-    void TestAt(); 
+    void TestAt();
     void TestHMapInitializerList();
     void TestHMMapInitializerList();
     void TestHSetInitializerList();
@@ -407,20 +407,20 @@ void THashTest::TestHSetConstructorsAndAssignments() {
     UNIT_ASSERT(c4.contains(3));
 }
 
-void THashTest::TestHSetSize() { 
+void THashTest::TestHSetSize() {
     using container = THashSet<int>;
- 
-    container c; 
-    c.insert(100); 
-    c.insert(200); 
- 
-    UNIT_ASSERT_VALUES_EQUAL(2, c.size()); 
- 
-    c.insert(200); 
- 
-    UNIT_ASSERT_VALUES_EQUAL(2, c.size()); 
-} 
- 
+
+    container c;
+    c.insert(100);
+    c.insert(200);
+
+    UNIT_ASSERT_VALUES_EQUAL(2, c.size());
+
+    c.insert(200);
+
+    UNIT_ASSERT_VALUES_EQUAL(2, c.size());
+}
+
 void THashTest::TestHSet2() {
     THashSet<int, THash<int>, TEqualTo<int>> s;
     auto p = s.insert(42);
@@ -492,20 +492,20 @@ void THashTest::TestHMSetConstructorsAndAssignments() {
     UNIT_ASSERT(c3.find(400) != c3.end());
 }
 
-void THashTest::TestHMSetSize() { 
+void THashTest::TestHMSetSize() {
     using container = THashMultiSet<int>;
- 
-    container c; 
-    c.insert(100); 
-    c.insert(200); 
- 
-    UNIT_ASSERT_VALUES_EQUAL(2, c.size()); 
- 
-    c.insert(200); 
- 
-    UNIT_ASSERT_VALUES_EQUAL(3, c.size()); 
-} 
- 
+
+    container c;
+    c.insert(100);
+    c.insert(200);
+
+    UNIT_ASSERT_VALUES_EQUAL(2, c.size());
+
+    c.insert(200);
+
+    UNIT_ASSERT_VALUES_EQUAL(3, c.size());
+}
+
 void THashTest::TestHMSet1() {
     hmset s;
     UNIT_ASSERT(s.count(star) == 0);
@@ -1111,8 +1111,8 @@ void THashTest::TestReleaseNodes() {
     set2.insert(1);
     UNIT_ASSERT_VALUES_EQUAL(set2.size(), 1);
 }
- 
-void THashTest::TestAt() { 
+
+void THashTest::TestAt() {
 #define TEST_AT_THROWN_EXCEPTION(SRC_TYPE, DST_TYPE, KEY_TYPE, KEY, MESSAGE)                                                                               \
     {                                                                                                                                                      \
         THashMap<SRC_TYPE, DST_TYPE> testMap;                                                                                                              \
@@ -1125,8 +1125,8 @@ void THashTest::TestAt() {
         } catch (...) {                                                                                                                                    \
             UNIT_ASSERT_C(false, "THashMap::at(\"" << KEY << "\") should throw yexception");                                                               \
         }                                                                                                                                                  \
-    } 
- 
+    }
+
     TEST_AT_THROWN_EXCEPTION(TString, TString, TString, "111", "111");
     TEST_AT_THROWN_EXCEPTION(TString, TString, const TString, "111", "111");
     TEST_AT_THROWN_EXCEPTION(TString, TString, TStringBuf, "111", "111");
@@ -1140,13 +1140,13 @@ void THashTest::TestAt() {
     TEST_AT_THROWN_EXCEPTION(int, int, unsigned int, 2, "2");
     TEST_AT_THROWN_EXCEPTION(int, int, unsigned long, 131, "131");
     TEST_AT_THROWN_EXCEPTION(int, int, unsigned long long, 1000000000000ll, "1000000000000");
- 
+
     char key[] = {11, 12, 0, 1, 2, 11, 0};
     TEST_AT_THROWN_EXCEPTION(TString, TString, char*, key, "\\x0B\\x0C");
     TEST_AT_THROWN_EXCEPTION(TString, TString, TStringBuf, TStringBuf(key, sizeof(key) - 1), "\\x0B\\x0C\\0\\1\\2\\x0B");
- 
-#undef TEST_AT_THROWN_EXCEPTION 
-} 
+
+#undef TEST_AT_THROWN_EXCEPTION
+}
 
 void THashTest::TestHMapInitializerList() {
     THashMap<TString, TString> h1 = {{"foo", "bar"}, {"bar", "baz"}, {"baz", "qux"}};
diff --git a/util/generic/is_in.h b/util/generic/is_in.h
index a3277f173d..4f175ea5eb 100644
--- a/util/generic/is_in.h
+++ b/util/generic/is_in.h
@@ -47,7 +47,7 @@ static inline bool IsIn(const C& c, const T& e) {
     return TIsInTraits<C, T, TIsAssocCont<C>::value>::IsIn(c, e);
 }
 
-template <class T, class U> 
-static inline bool IsIn(std::initializer_list<T> l, const U& e) { 
+template <class T, class U>
+static inline bool IsIn(std::initializer_list<T> l, const U& e) {
     return ::IsIn(l.begin(), l.end(), e);
 }
diff --git a/util/generic/is_in_ut.cpp b/util/generic/is_in_ut.cpp
index 1306e427e7..c668bce807 100644
--- a/util/generic/is_in_ut.cpp
+++ b/util/generic/is_in_ut.cpp
@@ -70,7 +70,7 @@ Y_UNIT_TEST_SUITE(TIsIn) {
         UNIT_ASSERT(IsIn(b, 'f'));
         UNIT_ASSERT(!IsIn(b, 'z'));
     }
- 
+
     Y_UNIT_TEST(IsInInitListTest) {
         const char* abc = "abc";
         const char* def = "def";
@@ -88,22 +88,22 @@ Y_UNIT_TEST_SUITE(TIsIn) {
         UNIT_ASSERT(!IsIn({TStringBuf("abc"), TStringBuf("def")}, TStringBuf("ghi")));
         UNIT_ASSERT(!IsIn({"abc", "def"}, TStringBuf("ghi")));
         UNIT_ASSERT(!IsIn({"abc", "def"}, TString("ghi")));
- 
-        const TStringBuf str = "abc////"; 
- 
+
+        const TStringBuf str = "abc////";
+
         UNIT_ASSERT(IsIn({"abc", "def"}, TStringBuf{str.data(), 3}));
     }
 
     Y_UNIT_TEST(ConfOfTest) {
         UNIT_ASSERT(IsIn({1, 2, 3}, 1));
         UNIT_ASSERT(!IsIn({1, 2, 3}, 4));
- 
+
         const TString b = "b";
- 
+
         UNIT_ASSERT(!IsIn({"a", "b", "c"}, b.data())); // compares pointers by value. Whether it's good or not.
         UNIT_ASSERT(IsIn(TVector<TStringBuf>({"a", "b", "c"}), b.data()));
         UNIT_ASSERT(IsIn(TVector<TStringBuf>({"a", "b", "c"}), "b"));
-    } 
+    }
 
     Y_UNIT_TEST(IsInArrayTest) {
         const TString array[] = {"a", "b", "d"};
diff --git a/util/generic/maybe.h b/util/generic/maybe.h
index f009fdb1e9..34d21aebcd 100644
--- a/util/generic/maybe.h
+++ b/util/generic/maybe.h
@@ -34,7 +34,7 @@ constexpr bool operator==(TNothing, TNothing) noexcept {
     return true;
 }
 
-template <class T, class Policy /*= ::NMaybe::TPolicyUndefinedExcept*/> 
+template <class T, class Policy /*= ::NMaybe::TPolicyUndefinedExcept*/>
 class TMaybe: private TMaybeBase<T> {
 public:
     using TInPlace = NMaybe::TInPlace;
diff --git a/util/generic/ptr_ut.cpp b/util/generic/ptr_ut.cpp
index b8429f7ca2..c2dcff23f6 100644
--- a/util/generic/ptr_ut.cpp
+++ b/util/generic/ptr_ut.cpp
@@ -20,7 +20,7 @@ class TPointerTest: public TTestBase {
     UNIT_TEST(TestHolderPtrMoveAssignmentInheritance);
     UNIT_TEST(TestMakeHolder);
     UNIT_TEST(TestTrulePtr);
-    UNIT_TEST(TestAutoToHolder); 
+    UNIT_TEST(TestAutoToHolder);
     UNIT_TEST(TestCopyPtr);
     UNIT_TEST(TestIntrPtr);
     UNIT_TEST(TestIntrusiveConvertion);
@@ -72,7 +72,7 @@ private:
     void TestHolderPtrMoveAssignmentInheritance();
     void TestMakeHolder();
     void TestTrulePtr();
-    void TestAutoToHolder(); 
+    void TestAutoToHolder();
     void TestCopyPtr();
     void TestIntrPtr();
     void TestIntrusiveConvertion();
@@ -136,7 +136,7 @@ void TPointerTest::TestSimpleIntrPtr() {
         a2 = a3;
     }
 
-    UNIT_ASSERT_VALUES_EQUAL(cnt, 0); 
+    UNIT_ASSERT_VALUES_EQUAL(cnt, 0);
 }
 
 void TPointerTest::TestHolderPtr() {
@@ -145,7 +145,7 @@ void TPointerTest::TestHolderPtr() {
         THolder<A> a2(a1.Release());
     }
 
-    UNIT_ASSERT_VALUES_EQUAL(cnt, 0); 
+    UNIT_ASSERT_VALUES_EQUAL(cnt, 0);
 }
 
 THolder<int> CreateInt(int value) {
@@ -246,19 +246,19 @@ void TPointerTest::TestTrulePtr() {
         a1 = a2;
     }
 
-    UNIT_ASSERT_VALUES_EQUAL(cnt, 0); 
+    UNIT_ASSERT_VALUES_EQUAL(cnt, 0);
 }
 
 void TPointerTest::TestAutoToHolder() {
-    { 
+    {
         TAutoPtr<A> a1(MakeA());
-        THolder<A> a2(a1); 
- 
-        UNIT_ASSERT_EQUAL(a1.Get(), nullptr); 
-        UNIT_ASSERT_VALUES_EQUAL(cnt, 1); 
-    } 
- 
-    UNIT_ASSERT_VALUES_EQUAL(cnt, 0); 
+        THolder<A> a2(a1);
+
+        UNIT_ASSERT_EQUAL(a1.Get(), nullptr);
+        UNIT_ASSERT_VALUES_EQUAL(cnt, 1);
+    }
+
+    UNIT_ASSERT_VALUES_EQUAL(cnt, 0);
 
     {
         TAutoPtr<A> x(new A());
@@ -276,22 +276,22 @@ void TPointerTest::TestAutoToHolder() {
     }
 
     UNIT_ASSERT_VALUES_EQUAL(cnt, 0);
-} 
- 
+}
+
 void TPointerTest::TestCopyPtr() {
     TCopyPtr<A> a1(MakeA());
     {
         TCopyPtr<A> a2(MakeA());
         TCopyPtr<A> a3 = a2;
-        UNIT_ASSERT_VALUES_EQUAL(cnt, 3); 
+        UNIT_ASSERT_VALUES_EQUAL(cnt, 3);
 
         a1 = a2;
         a2 = a3;
     }
-    UNIT_ASSERT_VALUES_EQUAL(cnt, 1); 
+    UNIT_ASSERT_VALUES_EQUAL(cnt, 1);
     a1.Destroy();
 
-    UNIT_ASSERT_VALUES_EQUAL(cnt, 0); 
+    UNIT_ASSERT_VALUES_EQUAL(cnt, 0);
 }
 
 class TOp: public TSimpleRefCount<TOp>, public TNonCopyable {
@@ -348,20 +348,20 @@ void TPointerTest::TestIntrPtr() {
                 f2.push_back(p);
                 Attach(&op3, &f2[1]);
                 f1 = f2;
-                UNIT_ASSERT_VALUES_EQUAL(f1[0]->RefCount(), 2); 
-                UNIT_ASSERT_VALUES_EQUAL(f1[1]->RefCount(), 3); 
+                UNIT_ASSERT_VALUES_EQUAL(f1[0]->RefCount(), 2);
+                UNIT_ASSERT_VALUES_EQUAL(f1[1]->RefCount(), 3);
                 UNIT_ASSERT_EQUAL(f1[1].Get(), op3.Op2.Get());
-                UNIT_ASSERT_VALUES_EQUAL(op3.Op2->RefCount(), 3); 
-                UNIT_ASSERT_VALUES_EQUAL(op3.Op2->Op->RefCount(), 2); 
-                UNIT_ASSERT_VALUES_EQUAL(TOp::Cnt, 4); 
+                UNIT_ASSERT_VALUES_EQUAL(op3.Op2->RefCount(), 3);
+                UNIT_ASSERT_VALUES_EQUAL(op3.Op2->Op->RefCount(), 2);
+                UNIT_ASSERT_VALUES_EQUAL(TOp::Cnt, 4);
             }
             p2 = p;
         }
-        UNIT_ASSERT_VALUES_EQUAL(op3.Op2->RefCount(), 1); 
-        UNIT_ASSERT_VALUES_EQUAL(op3.Op2->Op->RefCount(), 3); 
-        UNIT_ASSERT_VALUES_EQUAL(TOp::Cnt, 3); 
+        UNIT_ASSERT_VALUES_EQUAL(op3.Op2->RefCount(), 1);
+        UNIT_ASSERT_VALUES_EQUAL(op3.Op2->Op->RefCount(), 3);
+        UNIT_ASSERT_VALUES_EQUAL(TOp::Cnt, 3);
     }
-    UNIT_ASSERT_VALUES_EQUAL(TOp::Cnt, 0); 
+    UNIT_ASSERT_VALUES_EQUAL(TOp::Cnt, 0);
 }
 
 namespace NTestIntrusiveConvertion {
@@ -424,7 +424,7 @@ void TPointerTest::TestMakeIntrusive() {
         UNIT_ASSERT_VALUES_EQUAL(1, p->RefCount());
         UNIT_ASSERT_VALUES_EQUAL(1, TOp::Cnt);
     }
-    UNIT_ASSERT_VALUES_EQUAL(TOp::Cnt, 0); 
+    UNIT_ASSERT_VALUES_EQUAL(TOp::Cnt, 0);
 }
 
 void TPointerTest::TestCopyOnWritePtr1() {
diff --git a/util/generic/strbuf_ut.cpp b/util/generic/strbuf_ut.cpp
index 28f6951b5f..69cde785af 100644
--- a/util/generic/strbuf_ut.cpp
+++ b/util/generic/strbuf_ut.cpp
@@ -197,10 +197,10 @@ Y_UNIT_TEST_SUITE(TStrBufTest) {
         UNIT_ASSERT_EQUAL(buf2.RNextTok("@@"), TStringBuf("b"));
         UNIT_ASSERT_EQUAL(buf2.RNextTok("@@"), TStringBuf("a"));
         UNIT_ASSERT_EQUAL(buf2, TStringBuf());
- 
-        TStringBuf buf3("a@@b@@c"); 
+
+        TStringBuf buf3("a@@b@@c");
         UNIT_ASSERT_EQUAL(buf3.RNextTok("@@@"), TStringBuf("a@@b@@c"));
-        UNIT_ASSERT_EQUAL(buf3, TStringBuf()); 
+        UNIT_ASSERT_EQUAL(buf3, TStringBuf());
     }
 
     Y_UNIT_TEST(TestReadLine) {
diff --git a/util/generic/typetraits_ut.cpp b/util/generic/typetraits_ut.cpp
index fe3c6059b4..e7571c75ec 100644
--- a/util/generic/typetraits_ut.cpp
+++ b/util/generic/typetraits_ut.cpp
@@ -227,9 +227,9 @@ Y_UNIT_TEST_SUITE(TTypeTraitsTest) {
         UNIT_ASSERT(!std::is_standard_layout<TNonStdLayoutClass4>::value);
     }
 
-    template <class T> 
+    template <class T>
     using TTrySum = decltype(std::declval<T>() + std::declval<T>());
- 
+
     Y_UNIT_TEST(TestIsTriviallyCopyable) {
         struct TPod {
             int value;
diff --git a/util/generic/utility.h b/util/generic/utility.h
index 96061fe45c..43b98eeafc 100644
--- a/util/generic/utility.h
+++ b/util/generic/utility.h
@@ -5,22 +5,22 @@
 #include <cstring>
 
 template <class T>
-static constexpr const T& Min(const T& l, const T& r) { 
+static constexpr const T& Min(const T& l, const T& r) {
     return r < l ? r : l;
 }
 
 template <typename T, typename... Args>
-static constexpr const T& Min(const T& a, const T& b, const Args&... args) { 
+static constexpr const T& Min(const T& a, const T& b, const Args&... args) {
     return Min(a, Min(b, args...));
 }
 
 template <class T>
-static constexpr const T& Max(const T& l, const T& r) { 
+static constexpr const T& Max(const T& l, const T& r) {
     return l < r ? r : l;
 }
 
 template <typename T, typename... Args>
-static constexpr const T& Max(const T& a, const T& b, const Args&... args) { 
+static constexpr const T& Max(const T& a, const T& b, const Args&... args) {
     return Max(a, Max(b, args...));
 }
 
diff --git a/util/generic/ylimits.h b/util/generic/ylimits.h
index 46c6cd5ed5..fe42b4dfc0 100644
--- a/util/generic/ylimits.h
+++ b/util/generic/ylimits.h
@@ -19,14 +19,14 @@ static constexpr T Min() noexcept {
 namespace NPrivate {
     struct TMax {
         template <class T>
-        constexpr operator T() const { 
+        constexpr operator T() const {
             return Max<T>();
         }
     };
 
     struct TMin {
         template <class T>
-        constexpr operator T() const { 
+        constexpr operator T() const {
             return Min<T>();
         }
     };
diff --git a/util/generic/ymath.h b/util/generic/ymath.h
index 5998207f9f..9ff9ae2abe 100644
--- a/util/generic/ymath.h
+++ b/util/generic/ymath.h
@@ -18,7 +18,7 @@ constexpr double M_LN2_INV = M_LOG2E;                // 1 / ln(2) == log2(e)
  * \returns                             Absolute value of the provided argument.
  */
 template <class T>
-constexpr T Abs(T value) { 
+constexpr T Abs(T value) {
     return std::abs(value);
 }
 
diff --git a/util/string/cast.h b/util/string/cast.h
index 48d4c5c5cd..90e925c194 100644
--- a/util/string/cast.h
+++ b/util/string/cast.h
@@ -119,9 +119,9 @@ inline const TUtf16String& ToWtring(TUtf16String& w) {
     return w;
 }
 
-struct TFromStringException: public TBadCastException { 
-}; 
- 
+struct TFromStringException: public TBadCastException {
+};
+
 /*
  * specialized for:
  *  bool
diff --git a/util/string/cast.pxd b/util/string/cast.pxd
index b0fcc8123f..dc23619e1e 100644
--- a/util/string/cast.pxd
+++ b/util/string/cast.pxd
@@ -1,8 +1,8 @@
-from util.generic.string cimport TString 
- 
+from util.generic.string cimport TString
+
 from libcpp cimport bool as bool_t
 
-cdef extern from "<util/string/cast.h>" nogil: 
+cdef extern from "<util/string/cast.h>" nogil:
     T FromString[T](const TString&) except +
     bool_t TryFromString[T](const TString&, T&) except +
     TString ToString[T](const T&) except +
diff --git a/util/string/cast_ut.pyx b/util/string/cast_ut.pyx
index 16bc90e5f5..88e86ef961 100644
--- a/util/string/cast_ut.pyx
+++ b/util/string/cast_ut.pyx
@@ -1,13 +1,13 @@
 # cython: c_string_type=str, c_string_encoding=utf8
 
 from util.string.cast cimport FromString, ToString
- 
-import unittest 
- 
+
+import unittest
+
 class TestFromString(unittest.TestCase):
     def test_from_int(self):
         self.assertEquals(FromString[int]("42"), 42)
 
-class TestToString(unittest.TestCase): 
-    def test_from_int(self): 
-        self.assertEquals(ToString(42), "42") 
+class TestToString(unittest.TestCase):
+    def test_from_int(self):
+        self.assertEquals(ToString(42), "42")
diff --git a/util/string/split.h b/util/string/split.h
index 81607e0961..bc46d9e64c 100644
--- a/util/string/split.h
+++ b/util/string/split.h
@@ -1,10 +1,10 @@
 #pragma once
 
 #include "strspn.h"
-#include "cast.h" 
+#include "cast.h"
 
 #include <util/generic/algorithm.h>
-#include <util/generic/fwd.h> 
+#include <util/generic/fwd.h>
 #include <util/generic/iterator.h>
 #include <util/generic/iterator_range.h>
 #include <util/generic/store_policy.h>
@@ -431,16 +431,16 @@ void GetNext(TStringBuf& s, D delim, P& param) {
     param = FromString<P>(next);
 }
 
-template <class P, class D> 
-void GetNext(TStringBuf& s, D delim, TMaybe<P>& param) { 
-    TStringBuf next = s.NextTok(delim); 
-    if (next.IsInited()) { 
-        param = FromString<P>(next); 
-    } else { 
-        param.Clear(); 
-    } 
-} 
- 
+template <class P, class D>
+void GetNext(TStringBuf& s, D delim, TMaybe<P>& param) {
+    TStringBuf next = s.NextTok(delim);
+    if (next.IsInited()) {
+        param = FromString<P>(next);
+    } else {
+        param.Clear();
+    }
+}
+
 // example:
 // Split(TStringBuf("Sherlock,2014,36.6"), ',', name, year, temperature);
 template <class D, class P1, class P2>
diff --git a/util/string/split_ut.cpp b/util/string/split_ut.cpp
index 89c28258e5..43e59f2d75 100644
--- a/util/string/split_ut.cpp
+++ b/util/string/split_ut.cpp
@@ -5,7 +5,7 @@
 #include <util/stream/output.h>
 #include <util/charset/wide.h>
 #include <util/datetime/cputimer.h>
-#include <util/generic/maybe.h> 
+#include <util/generic/maybe.h>
 
 #include <string>
 #include <string_view>
@@ -258,25 +258,25 @@ Y_UNIT_TEST_SUITE(SplitStringTest) {
         double num2 = 0;
         TStringBuf strBuf;
         Split(data, ' ', str, num1, num2, strBuf);
-        UNIT_ASSERT_VALUES_EQUAL(str, "abc"); 
-        UNIT_ASSERT_VALUES_EQUAL(num1, 22); 
-        UNIT_ASSERT_VALUES_EQUAL(num2, 33.5); 
-        UNIT_ASSERT_VALUES_EQUAL(strBuf, "xyz"); 
+        UNIT_ASSERT_VALUES_EQUAL(str, "abc");
+        UNIT_ASSERT_VALUES_EQUAL(num1, 22);
+        UNIT_ASSERT_VALUES_EQUAL(num2, 33.5);
+        UNIT_ASSERT_VALUES_EQUAL(strBuf, "xyz");
     }
 
     Y_UNIT_TEST(ConvenientSplitTestWithMaybe) {
         TString data("abc 42");
         TString str;
-        TMaybe<double> num2 = 1; 
-        TMaybe<double> maybe = 1; 
- 
-        Split(data, ' ', str, num2, maybe); 
- 
-        UNIT_ASSERT_VALUES_EQUAL(str, "abc"); 
-        UNIT_ASSERT_VALUES_EQUAL(*num2, 42); 
-        UNIT_ASSERT(!maybe); 
-    } 
- 
+        TMaybe<double> num2 = 1;
+        TMaybe<double> maybe = 1;
+
+        Split(data, ' ', str, num2, maybe);
+
+        UNIT_ASSERT_VALUES_EQUAL(str, "abc");
+        UNIT_ASSERT_VALUES_EQUAL(*num2, 42);
+        UNIT_ASSERT(!maybe);
+    }
+
     Y_UNIT_TEST(ConvenientSplitTestExceptions) {
         TString data("abc 22 33");
         TString s1, s2, s3, s4;
@@ -285,22 +285,22 @@ Y_UNIT_TEST_SUITE(SplitStringTest) {
         UNIT_ASSERT_NO_EXCEPTION(Split(data, ' ', s1, s2, s3));
         UNIT_ASSERT_EXCEPTION(Split(data, ' ', s1, s2, s3, s4), yexception);
     }
- 
+
     Y_UNIT_TEST(ConvenientSplitTestMaybeExceptions) {
         TString data("abc 22 33");
         TString s1, s2;
         TMaybe<TString> m1, m2;
- 
-        UNIT_ASSERT_EXCEPTION(Split(data, ' ', s1, m1), yexception); 
-        UNIT_ASSERT_EXCEPTION(Split(data, ' ', m1, m2), yexception); 
-        UNIT_ASSERT_NO_EXCEPTION(Split(data, ' ', s1, s2, m1)); 
- 
-        UNIT_ASSERT_NO_EXCEPTION(Split(data, ' ', s1, s2, m1, m2)); 
-        UNIT_ASSERT_EXCEPTION(Split(data, ' ', m1, m2, s1, s2), yexception); 
- 
-        UNIT_ASSERT_NO_EXCEPTION(Split(data, ' ', s1, s2, m1, m2, m1, m1, m1, m1)); 
-        UNIT_ASSERT_EXCEPTION(Split(data, ' ', s1, s2, m1, m2, m1, m1, m1, m1, s1), yexception); 
-    } 
+
+        UNIT_ASSERT_EXCEPTION(Split(data, ' ', s1, m1), yexception);
+        UNIT_ASSERT_EXCEPTION(Split(data, ' ', m1, m2), yexception);
+        UNIT_ASSERT_NO_EXCEPTION(Split(data, ' ', s1, s2, m1));
+
+        UNIT_ASSERT_NO_EXCEPTION(Split(data, ' ', s1, s2, m1, m2));
+        UNIT_ASSERT_EXCEPTION(Split(data, ' ', m1, m2, s1, s2), yexception);
+
+        UNIT_ASSERT_NO_EXCEPTION(Split(data, ' ', s1, s2, m1, m2, m1, m1, m1, m1));
+        UNIT_ASSERT_EXCEPTION(Split(data, ' ', s1, s2, m1, m2, m1, m1, m1, m1, s1), yexception);
+    }
 }
 
 template <typename I, typename C>
diff --git a/util/tests/cython/test_generic.py b/util/tests/cython/test_generic.py
index 0d257a4496..a0d61339cc 100644
--- a/util/tests/cython/test_generic.py
+++ b/util/tests/cython/test_generic.py
@@ -25,5 +25,5 @@ __all__ = [
     'TestStroka',
     'TestVector',
     'TestFromString',
-    'TestToString', 
+    'TestToString',
 ]
diff --git a/util/tests/cython/ya.make b/util/tests/cython/ya.make
index c21bf92b5f..b928c19026 100644
--- a/util/tests/cython/ya.make
+++ b/util/tests/cython/ya.make
@@ -22,7 +22,7 @@ PY_SRCS(
     generic/hash_ut.pyx
     memory/blob_ut.pyx
     stream/str_ut.pyx
-    string/cast_ut.pyx 
+    string/cast_ut.pyx
     system/types_ut.pyx
     digest/multi_ut.pyx
 )
diff --git a/util/ysaveload.h b/util/ysaveload.h
index 17ed83dd32..02efb4049b 100644
--- a/util/ysaveload.h
+++ b/util/ysaveload.h
@@ -685,12 +685,12 @@ private:
 
 template <class T>
 static inline void SaveLoad(IOutputStream* out, const T& t) {
-    Save(out, t); 
+    Save(out, t);
 }
 
 template <class T>
 static inline void SaveLoad(IInputStream* in, T& t) {
-    Load(in, t); 
+    Load(in, t);
 }
 
 template <class S, class... Ts>