rbr::concepts::option Concept Reference

Option concept. More...

#include <raberu/impl/concepts.hpp>

Detailed Description

Option concept.

An Option type can be aggregated in a Settings and be fetched later

Concept definition

template<typename O>
concept rbr::concepts::option =  requires( O const& o )
  {
    { o(typename std::remove_cvref_t<O>::keyword_type{}) }
    -> stdfix::same_as<typename std::remove_cvref_t<O>::stored_value_type>;
  }