MR::FunctionRef< R(Args...)> Class Template Reference

Simplified implementation of std::function_ref from C++26. More...

#include <MRFunctional.h>

Public Member Functions
constexpr	FunctionRef () noexcept=delete
constexpr	FunctionRef (const FunctionRef &rhs) noexcept=default
template<typename F , std::enable_if_t< std::is_invocable_r_v< R, F &&, Args... > > * = nullptr>
constexpr	FunctionRef (F &&f) noexcept
constexpr FunctionRef &	operator= (const FunctionRef &rhs) noexcept=default
template<typename F , std::enable_if_t< std::is_invocable_r_v< R, F &&, Args... > > * = nullptr>
constexpr FunctionRef &	operator= (F &&f) noexcept
constexpr void	swap (FunctionRef &rhs) noexcept
R	operator() (Args... args) const

Detailed Description

template<typename R, typename... Args>
class MR::FunctionRef< R(Args...)>

Simplified implementation of std::function_ref from C++26.

FunctionRef can be used as a lightweight replacement for std::function in cases when:

• a callable exists (there's no equivalent to std::function( nullptr ))
• a callable is passed to a function that calls it immediately or passes to another function of the same kind

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The documentation for this class was generated from the following file:

• MRFunctional.h