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Side by Side Diff: Source/wtf/VectorTraits.h

Issue 835953003: Fix template angle bracket syntax (Closed) Base URL: https://chromium.googlesource.com/chromium/blink.git@master
Patch Set: Created 5 years, 11 months ago
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1 /* 1 /*
2 * Copyright (C) 2006, 2007, 2008 Apple Inc. All rights reserved. 2 * Copyright (C) 2006, 2007, 2008 Apple Inc. All rights reserved.
3 * 3 *
4 * This library is free software; you can redistribute it and/or 4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Library General Public 5 * modify it under the terms of the GNU Library General Public
6 * License as published by the Free Software Foundation; either 6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version. 7 * version 2 of the License, or (at your option) any later version.
8 * 8 *
9 * This library is distributed in the hope that it will be useful, 9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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59 { 59 {
60 static const bool canInitializeWithMemset = true; 60 static const bool canInitializeWithMemset = true;
61 static const bool canMoveWithMemcpy = true; 61 static const bool canMoveWithMemcpy = true;
62 static const bool canCompareWithMemcmp = true; 62 static const bool canCompareWithMemcmp = true;
63 }; 63 };
64 64
65 // We know OwnPtr and RefPtr are simple enough that initializing to 0 and 65 // We know OwnPtr and RefPtr are simple enough that initializing to 0 and
66 // moving with memcpy (and then not destructing the original) will totally 66 // moving with memcpy (and then not destructing the original) will totally
67 // work. 67 // work.
68 template<typename P> 68 template<typename P>
69 struct VectorTraits<RefPtr<P> > : SimpleClassVectorTraits<RefPtr<P> > { }; 69 struct VectorTraits<RefPtr<P>> : SimpleClassVectorTraits<RefPtr<P>> { };
70 70
71 template<typename P> 71 template<typename P>
72 struct VectorTraits<OwnPtr<P> > : SimpleClassVectorTraits<OwnPtr<P> > { 72 struct VectorTraits<OwnPtr<P>> : SimpleClassVectorTraits<OwnPtr<P>> {
73 // OwnPtr -> PassOwnPtr has a very particular structure that 73 // OwnPtr -> PassOwnPtr has a very particular structure that
74 // tricks the normal type traits into thinking that the class 74 // tricks the normal type traits into thinking that the class
75 // is "trivially copyable". 75 // is "trivially copyable".
76 static const bool canCopyWithMemcpy = false; 76 static const bool canCopyWithMemcpy = false;
77 }; 77 };
78 static_assert(VectorTraits<RefPtr<int>>::canInitializeWithMemset, "inefficie nt RefPtr Vector"); 78 static_assert(VectorTraits<RefPtr<int>>::canInitializeWithMemset, "inefficie nt RefPtr Vector");
79 static_assert(VectorTraits<RefPtr<int>>::canMoveWithMemcpy, "inefficient Ref Ptr Vector"); 79 static_assert(VectorTraits<RefPtr<int>>::canMoveWithMemcpy, "inefficient Ref Ptr Vector");
80 static_assert(VectorTraits<RefPtr<int>>::canCompareWithMemcmp, "inefficient RefPtr Vector"); 80 static_assert(VectorTraits<RefPtr<int>>::canCompareWithMemcmp, "inefficient RefPtr Vector");
81 static_assert(VectorTraits<OwnPtr<int>>::canInitializeWithMemset, "inefficie nt OwnPtr Vector"); 81 static_assert(VectorTraits<OwnPtr<int>>::canInitializeWithMemset, "inefficie nt OwnPtr Vector");
82 static_assert(VectorTraits<OwnPtr<int>>::canMoveWithMemcpy, "inefficient Own Ptr Vector"); 82 static_assert(VectorTraits<OwnPtr<int>>::canMoveWithMemcpy, "inefficient Own Ptr Vector");
83 static_assert(VectorTraits<OwnPtr<int>>::canCompareWithMemcmp, "inefficient OwnPtr Vector"); 83 static_assert(VectorTraits<OwnPtr<int>>::canCompareWithMemcmp, "inefficient OwnPtr Vector");
84 84
85 template<typename First, typename Second> 85 template<typename First, typename Second>
86 struct VectorTraits<pair<First, Second> > 86 struct VectorTraits<pair<First, Second>>
87 { 87 {
88 typedef VectorTraits<First> FirstTraits; 88 typedef VectorTraits<First> FirstTraits;
89 typedef VectorTraits<Second> SecondTraits; 89 typedef VectorTraits<Second> SecondTraits;
90 90
91 static const bool needsDestruction = FirstTraits::needsDestruction || Se condTraits::needsDestruction; 91 static const bool needsDestruction = FirstTraits::needsDestruction || Se condTraits::needsDestruction;
92 static const bool canInitializeWithMemset = FirstTraits::canInitializeWi thMemset && SecondTraits::canInitializeWithMemset; 92 static const bool canInitializeWithMemset = FirstTraits::canInitializeWi thMemset && SecondTraits::canInitializeWithMemset;
93 static const bool canMoveWithMemcpy = FirstTraits::canMoveWithMemcpy && SecondTraits::canMoveWithMemcpy; 93 static const bool canMoveWithMemcpy = FirstTraits::canMoveWithMemcpy && SecondTraits::canMoveWithMemcpy;
94 static const bool canCopyWithMemcpy = FirstTraits::canCopyWithMemcpy && SecondTraits::canCopyWithMemcpy; 94 static const bool canCopyWithMemcpy = FirstTraits::canCopyWithMemcpy && SecondTraits::canCopyWithMemcpy;
95 static const bool canFillWithMemset = false; 95 static const bool canFillWithMemset = false;
96 static const bool canCompareWithMemcmp = FirstTraits::canCompareWithMemc mp && SecondTraits::canCompareWithMemcmp; 96 static const bool canCompareWithMemcmp = FirstTraits::canCompareWithMemc mp && SecondTraits::canCompareWithMemcmp;
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128 struct VectorTraits<ClassName> : VectorTraitsBase<ClassName> \ 128 struct VectorTraits<ClassName> : VectorTraitsBase<ClassName> \
129 { \ 129 { \
130 static const bool canInitializeWithMemset = true; \ 130 static const bool canInitializeWithMemset = true; \
131 }; \ 131 }; \
132 } 132 }
133 133
134 using WTF::VectorTraits; 134 using WTF::VectorTraits;
135 using WTF::SimpleClassVectorTraits; 135 using WTF::SimpleClassVectorTraits;
136 136
137 #endif // WTF_VectorTraits_h 137 #endif // WTF_VectorTraits_h
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