reference_guides/v0.1.0/overload_8h_source.html

#pragma once


#include <functional>


namespace xtd {

  template <typename... args_t>

  struct non_const_overload {

    template <typename result_t, typename type_t>

    constexpr auto operator()(result_t (type_t::*method)(args_t...)) const noexcept -> decltype(method) {return method;}

    template <typename result_t, typename type_t>

    static constexpr auto of(result_t (type_t::*method)(args_t...)) noexcept -> decltype(method) {return method;}

  };


  template <typename... args_t>

  struct const_overload {

    template <typename result_t, typename type_t>

    constexpr auto operator()(result_t (type_t::*method)(args_t...) const) const noexcept -> decltype(method) {return method;}

    template <typename result_t, typename type_t>

    static constexpr auto of(result_t (type_t::*method)(args_t...) const) noexcept -> decltype(method) {return method;}

  };


  template <typename... args_t>

  struct overload : const_overload<args_t...>, non_const_overload<args_t...> {

    using const_overload<args_t...>::of;

    using const_overload<args_t...>::operator();

    using non_const_overload<args_t...>::of;

    using non_const_overload<args_t...>::operator();


    template <typename result_t>

    constexpr auto operator()(result_t (*method)(args_t...)) const noexcept -> decltype(method) {return method;}

    template <typename result_t>

    static constexpr auto of(result_t (*method)(args_t...)) noexcept -> decltype(method) {return method;}

  };


  template <typename... args_t>

  inline const overload<args_t...> overload_;


  template <typename... args_t>

  inline const const_overload<args_t...> const_overload_;


  template <typename... args_t>

  inline const non_const_overload<args_t...> non_const_overload_;

}


#define overload_ xtd::overload_


#define const_overload_ xtd::const_overload_


#define non_const_overload_ xtd::non_const_overload_

const_overload_
#define const_overload_
Helper keyword that use to determine one of const overloaded methods.
Definition: overload.h:99

overload_
#define overload_
Helper keyword that use to determine one of const and non const overloaded methods.
Definition: overload.h:91

non_const_overload_
#define non_const_overload_
Helper keyword that use to determine one of non const overloaded methods.
Definition: overload.h:107

xtd
The xtd namespace contains all fundamental classes to access Hardware, Os, System,...
Definition: system_report.h:17

xtd::const_overload
Represents class that use to determine one of const overloaded methods.
Definition: overload.h:35

xtd::const_overload::of
static constexpr auto of(result_t(type_t::*method)(args_t...) const) noexcept -> decltype(method)
Returns a pointer to an overloaded method. The template parameter is the list of the argument types o...
Definition: overload.h:45

xtd::const_overload::operator()
constexpr auto operator()(result_t(type_t::*method)(args_t...) const) const noexcept -> decltype(method)
Returns a pointer to an overloaded method. The template parameter is the list of the argument types o...
Definition: overload.h:40

xtd::non_const_overload
Represents class that use to determine one of non const overloaded methods.
Definition: overload.h:17

xtd::non_const_overload::of
static constexpr auto of(result_t(type_t::*method)(args_t...)) noexcept -> decltype(method)
Returns a pointer to an overloaded method. The template parameter is the list of the argument types o...
Definition: overload.h:27

xtd::non_const_overload::operator()
constexpr auto operator()(result_t(type_t::*method)(args_t...)) const noexcept -> decltype(method)
Returns a pointer to an overloaded method. The template parameter is the list of the argument types o...
Definition: overload.h:22

xtd::overload
Represents class that use to determine one of const and non const overloaded methods.
Definition: overload.h:53

xtd::overload::operator()
constexpr auto operator()(result_t(*method)(args_t...)) const noexcept -> decltype(method)
Returns a pointer to an overloaded method. The template parameter is the list of the argument types o...
Definition: overload.h:65

xtd::overload::of
static constexpr auto of(result_t(*method)(args_t...)) noexcept -> decltype(method)
Returns a pointer to an overloaded method. The template parameter is the list of the argument types o...
Definition: overload.h:70