File: size_assertions.h

package info (click to toggle)
chromium 142.0.7444.175-1~deb12u1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm-proposed-updates
  • size: 6,303,984 kB
  • sloc: cpp: 35,488,370; ansic: 7,479,680; javascript: 4,259,373; python: 1,466,844; xml: 757,444; asm: 710,716; pascal: 187,980; sh: 89,247; perl: 88,690; objc: 79,984; sql: 56,984; cs: 42,192; fortran: 24,137; makefile: 22,919; tcl: 15,277; php: 14,018; yacc: 9,005; ruby: 7,553; awk: 3,720; lisp: 3,096; lex: 1,330; ada: 727; jsp: 228; sed: 36
file content (28 lines) | stat: -rw-r--r-- 1,122 bytes parent folder | download | duplicates (6) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
 
// Copyright 2016 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef THIRD_PARTY_BLINK_RENDERER_PLATFORM_WTF_SIZE_ASSERTIONS_H_
#define THIRD_PARTY_BLINK_RENDERER_PLATFORM_WTF_SIZE_ASSERTIONS_H_

#include <cstdlib>

namespace blink::internal {

template <size_t ActualSize, size_t ExpectedSize>
struct SizesEqual {
  static constexpr bool value = ActualSize == ExpectedSize;
};

}  // namespace blink::internal

// The ASSERT_SIZE macro can be used to check that a given type is the same size
// as another type. This is useful to visualize where the space is being used in
// a class, as well as give a useful compile error message when the size doesn't
// match the expected value.
#define ASSERT_SIZE(type, same_size_type)                                     \
  static_assert(::blink::internal::SizesEqual<sizeof(type),                   \
                                              sizeof(same_size_type)>::value, \
                #type " should stay small")

#endif  // THIRD_PARTY_BLINK_RENDERER_PLATFORM_WTF_SIZE_ASSERTIONS_H_