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Issue 1641513004: Update //base to chromium 9659b08ea5a34f889dc4166217f438095ddc10d2 (Closed) Base URL: git@github.com:domokit/mojo.git@master
Patch Set: Created 4 years, 10 months ago
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1 // Copyright 2014 The Chromium Authors. All rights reserved. 1 // Copyright 2014 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 // This file contains macros and macro-like constructs (e.g., templates) that 5 // This file contains macros and macro-like constructs (e.g., templates) that
6 // are commonly used throughout Chromium source. (It may also contain things 6 // are commonly used throughout Chromium source. (It may also contain things
7 // that are closely related to things that are commonly used that belong in this 7 // that are closely related to things that are commonly used that belong in this
8 // file.) 8 // file.)
9 9
10 #ifndef BASE_MACROS_H_ 10 #ifndef BASE_MACROS_H_
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34 // third_party libraries and get rid of it. 34 // third_party libraries and get rid of it.
35 #define DISALLOW_EVIL_CONSTRUCTORS(TypeName) DISALLOW_COPY_AND_ASSIGN(TypeName) 35 #define DISALLOW_EVIL_CONSTRUCTORS(TypeName) DISALLOW_COPY_AND_ASSIGN(TypeName)
36 36
37 // A macro to disallow all the implicit constructors, namely the 37 // A macro to disallow all the implicit constructors, namely the
38 // default constructor, copy constructor and operator= functions. 38 // default constructor, copy constructor and operator= functions.
39 // 39 //
40 // This should be used in the private: declarations for a class 40 // This should be used in the private: declarations for a class
41 // that wants to prevent anyone from instantiating it. This is 41 // that wants to prevent anyone from instantiating it. This is
42 // especially useful for classes containing only static methods. 42 // especially useful for classes containing only static methods.
43 #define DISALLOW_IMPLICIT_CONSTRUCTORS(TypeName) \ 43 #define DISALLOW_IMPLICIT_CONSTRUCTORS(TypeName) \
44 TypeName(); \ 44 TypeName() = delete; \
45 DISALLOW_COPY_AND_ASSIGN(TypeName) 45 DISALLOW_COPY_AND_ASSIGN(TypeName)
46 46
47 // The arraysize(arr) macro returns the # of elements in an array arr. 47 // The arraysize(arr) macro returns the # of elements in an array arr.
48 // The expression is a compile-time constant, and therefore can be 48 // The expression is a compile-time constant, and therefore can be
49 // used in defining new arrays, for example. If you use arraysize on 49 // used in defining new arrays, for example. If you use arraysize on
50 // a pointer by mistake, you will get a compile-time error. 50 // a pointer by mistake, you will get a compile-time error.
51 51
52 // This template function declaration is used in defining arraysize. 52 // This template function declaration is used in defining arraysize.
53 // Note that the function doesn't need an implementation, as we only 53 // Note that the function doesn't need an implementation, as we only
54 // use its type. 54 // use its type.
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189 189
190 // Use these to declare and define a static local variable (static T;) so that 190 // Use these to declare and define a static local variable (static T;) so that
191 // it is leaked so that its destructors are not called at exit. If you need 191 // it is leaked so that its destructors are not called at exit. If you need
192 // thread-safe initialization, use base/lazy_instance.h instead. 192 // thread-safe initialization, use base/lazy_instance.h instead.
193 #define CR_DEFINE_STATIC_LOCAL(type, name, arguments) \ 193 #define CR_DEFINE_STATIC_LOCAL(type, name, arguments) \
194 static type& name = *new type arguments 194 static type& name = *new type arguments
195 195
196 } // base 196 } // base
197 197
198 #endif // BASE_MACROS_H_ 198 #endif // BASE_MACROS_H_
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