tetl-docs/logical__not_8hpp_source.html

// SPDX-License-Identifier: BSL-1.0


#ifndef TETL_FUNCTIONAL_LOGICAL_NOT_HPP

#define TETL_FUNCTIONAL_LOGICAL_NOT_HPP


#include <etl/_utility/forward.hpp>


namespace etl {


template <typename T = void>


struct logical_not {

    [[nodiscard]] constexpr auto operator()(T const& arg) const -> bool { return !arg; }

};


template <>


struct logical_not<void> {

    using is_transparent = void;


    template <typename T>


    [[nodiscard]] constexpr auto operator()(T&& arg) const noexcept(noexcept(!etl::forward<T>(arg)))

        -> decltype(!etl::forward<T>(arg))

    {

        return !etl::forward<T>(arg);

    }


};


} // namespace etl


#endif // TETL_FUNCTIONAL_LOGICAL_NOT_HPP

forward.hpp

etl::arg
constexpr auto arg(complex< T > const &z) noexcept -> T
Definition arg.hpp:15

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::logical_not< void >::operator()
constexpr auto operator()(T &&arg) const noexcept(noexcept(!etl::forward< T >(arg))) -> decltype(!etl::forward< T >(arg))
Definition logical_not.hpp:23

etl::logical_not< void >::is_transparent
void is_transparent
Definition logical_not.hpp:20

etl::logical_not
Function object for performing logical NOT (logical negation). Effectively calls operator!...
Definition logical_not.hpp:14

etl::logical_not::operator()
constexpr auto operator()(T const &arg) const -> bool
Definition logical_not.hpp:15