https://github.com/Kitware/CMake
Tip revision: 18b02cc127730e3b007c2b56c6e115d476f0d5e0 authored by Brad King on 23 March 2022, 14:11:55 UTC
CMake 3.23.0-rc5
CMake 3.23.0-rc5
Tip revision: 18b02cc
cmDuration.h
/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
file Copyright.txt or https://cmake.org/licensing for details. */
#pragma once
#include <chrono>
#include <ratio>
using cmDuration = std::chrono::duration<double, std::ratio<1>>;
/*
* This function will return number of seconds in the requested type T.
*
* A duration_cast from duration<double> to duration<T> will not yield what
* one might expect if the double representation does not fit into type T.
* This function aims to safely convert, by clamping the double value between
* the permissible valid values for T.
*/
template <typename T>
T cmDurationTo(const cmDuration& duration);
#ifndef CMDURATION_CPP
extern template int cmDurationTo<int>(const cmDuration&);
extern template unsigned int cmDurationTo<unsigned int>(const cmDuration&);
#endif