Scarfski/entt
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

y_combinator: conditionally noexcept

Browse Source
This commit is contained in:
Michele Caini
2022-05-09 12:07:13 +02:00
parent 8c7d2a1e96
commit 261e73bf3e
1 changed files with 4 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
src/entt/core/utility.hpp
View File

@@ -1,6 +1,7 @@
#ifndef ENTT_CORE_UTILITY_HPP
#define ENTT_CORE_UTILITY_HPP
#include <type_traits>
#include <utility>
namespace entt {
@@ -71,7 +72,7 @@ struct y_combinator {
* @brief Constructs a y-combinator from a given function.
* @param recursive A potentially recursive function.
*/
constexpr y_combinator(Func recursive)
constexpr y_combinator(Func recursive) noexcept(std::is_nothrow_move_constructible_v<Func>)
: func{std::move(recursive)} {}
/**
@@ -81,13 +82,13 @@ struct y_combinator {
* @return Return value of the underlying function, if any.
*/
template<class... Args>
constexpr decltype(auto) operator()(Args &&...args) const {
constexpr decltype(auto) operator()(Args &&...args) const noexcept(std::is_nothrow_invocable_v<Func, const y_combinator &, Args...>) {
return func(*this, std::forward<Args>(args)...);
}
/*! @copydoc operator()() */
template<class... Args>
constexpr decltype(auto) operator()(Args &&...args) {
constexpr decltype(auto) operator()(Args &&...args) noexcept(std::is_nothrow_invocable_v<Func, y_combinator &, Args...>) {
return func(*this, std::forward<Args>(args)...);
}