File: integral_constant.h

package info (click to toggle)
llvm-toolchain-18 1%3A18.1.8-18
  • links: PTS, VCS
  • area: main
  • in suites: trixie
  • size: 1,908,340 kB
  • sloc: cpp: 6,667,937; ansic: 1,440,452; asm: 883,619; python: 230,549; objc: 76,880; f90: 74,238; lisp: 35,989; pascal: 16,571; sh: 10,229; perl: 7,459; ml: 5,047; awk: 3,523; makefile: 2,987; javascript: 2,149; xml: 892; fortran: 649; cs: 573
file content (21 lines) | stat: -rw-r--r-- 528 bytes parent folder | download | duplicates (21) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
 
#ifndef _INTEGRAL_CONSTANT_H_
#define _INTEGRAL_CONSTANT_H_

template <class T, T v>
struct integral_constant {
  static constexpr T value = v;
  typedef T value_type;
  typedef integral_constant type; // using injected-class-name
  constexpr operator value_type() const noexcept { return value; }
};

using false_type = integral_constant<bool, false>;
using true_type = integral_constant<bool, true>;

template <class T, class U>
struct is_same : false_type {};

template <class T>
struct is_same<T, T> : true_type {};

#endif