File: hash.pass.cpp

package info (click to toggle)
llvm-toolchain-13 1%3A13.0.1-6~deb11u1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 1,418,812 kB
  • sloc: cpp: 5,290,827; ansic: 996,570; asm: 544,593; python: 188,212; objc: 72,027; lisp: 30,291; f90: 25,395; sh: 24,900; javascript: 9,780; pascal: 9,398; perl: 7,484; ml: 5,432; awk: 3,523; makefile: 2,892; xml: 953; cs: 573; fortran: 539
file content (46 lines) | stat: -rw-r--r-- 986 bytes parent folder | download | duplicates (11) 
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
36
37
38
39
40
41
42
43
44
45
46
 
//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//

// UNSUPPORTED: c++03, c++11

// <propagate_const>

// template <class T> struct hash<experimental::fundamentals_v2::propagate_const<T>>;

#include <experimental/propagate_const>
#include "test_macros.h"
#include "propagate_const_helpers.h"
#include <cassert>

using std::experimental::propagate_const;

namespace std {
template <> struct hash<X>
{
  typedef X first_argument_type;

  size_t operator()(const first_argument_type&) const
  {
    return 99;
  }

};
} // namespace std

int main(int, char**) {

  typedef propagate_const<X> P;

  P p(1);

  auto h = std::hash<P>();

  assert(h(p)==99);

  return 0;
}