rbr::any_keyword< ID > Struct Template Reference

Regular keyword. More...

#include <raberu/impl/keywords.hpp>

Detailed Description

template<typename ID>
struct rbr::any_keyword< ID >

Regular keyword.

A Regular keyword is a keyword that accepts any types.

Template Parameters

ID	Unique identifier for the keyword

Public Types
using	id_type = ID
	ID type associated to the keyword.
using	tag_type = any_keyword< ID >
	Derived keyword type.

Public Member Functions
constexpr decltype(auto)	operator() (Os &&... o) const
	Keyword fetching from options set.
constexpr auto	operator<=> (as_keyword const &) const noexcept=default
	Keyword comparison.
constexpr auto	operator| (call< Func > &&v) const noexcept
	Specify a Callable object as a default value for the keyword.
constexpr auto	operator| (Type &&v) const noexcept
	Specify a default value for the keyword.
std::ostream &	show (std::ostream &os, V const &v) const
	Stream insertion function.

Static Public Member Functions
static constexpr bool	accept ()
	Compile-time validation of value.

Related Functions
(Note that these are not member functions.)
template<typename ID >
constexpr any_keyword< ID >	keyword (ID id) noexcept
	Create a regular keyword for reuse.
template<str ID>
constexpr auto	operator""_kw () noexcept
	Forms an instance of rbr::any_keyword from a literal string.