tetl-docs/identity_8hpp_source.html

// SPDX-License-Identifier: BSL-1.0


#ifndef TETL_FUNCTIONAL_IDENTITY_HPP

#define TETL_FUNCTIONAL_IDENTITY_HPP


#include <etl/_utility/forward.hpp>


namespace etl {


struct identity {

    using is_transparent = void;


    template <typename T>


    [[nodiscard]] constexpr auto operator()(T&& t) const noexcept -> T&&

    {

        return etl::forward<T>(t);

    }


};


} // namespace etl


#endif // TETL_FUNCTIONAL_IDENTITY_HPP

forward.hpp

etl
Definition adjacent_find.hpp:8

etl::forward
constexpr auto forward(remove_reference_t< T > &param) noexcept -> T &&
Forwards lvalues as either lvalues or as rvalues, depending on T. When t is a forwarding reference (a...
Definition forward.hpp:18

etl::identity
etl::identity is a function object type whose operator() returns its argument unchanged.
Definition identity.hpp:12

etl::identity::operator()
constexpr auto operator()(T &&t) const noexcept -> T &&
Definition identity.hpp:16

etl::identity::is_transparent
void is_transparent
Definition identity.hpp:13