The library provides basic function object classes for all of the bitwise operators in the language ([expr.bit.and], [expr.or], [expr.xor], [expr.unary.op]).
template <class T = void> struct bit_and { constexpr T operator()(const T& x, const T& y) const; typedef T first_argument_type; typedef T second_argument_type; typedef T result_type; };
operator() returns x & y.
template <class T = void> struct bit_or { constexpr T operator()(const T& x, const T& y) const; typedef T first_argument_type; typedef T second_argument_type; typedef T result_type; };
operator() returns x | y.
template <class T = void> struct bit_xor { constexpr T operator()(const T& x, const T& y) const; typedef T first_argument_type; typedef T second_argument_type; typedef T result_type; };
operator() returns x ^ y.
template <class T = void> struct bit_not { constexpr T operator()(const T& x) const; typedef T argument_type; typedef T result_type; };
template <> struct bit_and<void> { template <class T, class U> constexpr auto operator()(T&& t, U&& u) const -> decltype(std::forward<T>(t) & std::forward<U>(u)); typedef unspecified is_transparent; };
operator() returns std::forward<T>(t) & std::forward<U>(u).
template <> struct bit_or<void> { template <class T, class U> constexpr auto operator()(T&& t, U&& u) const -> decltype(std::forward<T>(t) | std::forward<U>(u)); typedef unspecified is_transparent; };
operator() returns std::forward<T>(t) | std::forward<U>(u).
template <> struct bit_xor<void> { template <class T, class U> constexpr auto operator()(T&& t, U&& u) const -> decltype(std::forward<T>(t) ^ std::forward<U>(u)); typedef unspecified is_transparent; };
operator() returns std::forward<T>(t) ^ std::forward<U>(u).
template <> struct bit_not<void> { template <class T> constexpr auto operator()(T&& t) const -> decltype(~std::forward<T>(t)); typedef unspecified is_transparent; };
operator() returns ~std::forward<T>(t).
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