File: cxx20_erase_internal.h

package info (click to toggle)
chromium 120.0.6099.224-1~deb11u1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 6,112,112 kB
  • sloc: cpp: 32,907,025; ansic: 8,148,123; javascript: 3,679,536; python: 2,031,248; asm: 959,718; java: 804,675; xml: 617,256; sh: 111,417; objc: 100,835; perl: 88,443; cs: 53,032; makefile: 29,579; fortran: 24,137; php: 21,162; tcl: 21,147; sql: 20,809; ruby: 17,735; pascal: 12,864; yacc: 8,045; lisp: 3,388; lex: 1,323; ada: 727; awk: 329; jsp: 267; csh: 117; exp: 43; sed: 37
file content (35 lines) | stat: -rw-r--r-- 966 bytes parent folder | download | duplicates (2) 
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
29
30
31
32
33
34
35
 
// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef BASE_CONTAINERS_CXX20_ERASE_INTERNAL_H_
#define BASE_CONTAINERS_CXX20_ERASE_INTERNAL_H_

#include <cstddef>

// Internal portion of base/containers/cxx20_erase_*.h. Please include those
// headers instead of including this directly.

namespace base {

namespace internal {

// Calls erase on iterators of matching elements and returns the number of
// removed elements.
template <typename Container, typename Predicate>
size_t IterateAndEraseIf(Container& container, Predicate pred) {
  size_t old_size = container.size();
  for (auto it = container.begin(), last = container.end(); it != last;) {
    if (pred(*it))
      it = container.erase(it);
    else
      ++it;
  }
  return old_size - container.size();
}

}  // namespace internal

}  // namespace base

#endif  // BASE_CONTAINERS_CXX20_ERASE_INTERNAL_H_