Standard library header <experimental/ranges/functional>

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Standard Library header files

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<cstddef> <limits> <climits> <contract>	<cfloat> <cstdint> <new> <version>	<typeinfo> <exception> <initializer_list>	<csignal> <csetjmp> <cstdarg>
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<concepts>
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<stdexcept>	<cassert>	<cerrno>	<system_error>
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<utility> <memory> <memory_resource> <scoped_allocator> <compare>	<bitset> <tuple> <optional> <any> <variant>	<type_traits> <ratio> <chrono> <typeindex> <functional>	<ctime> <cstdlib>
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<ciso646> <cstdalign>	<cstdbool> <ccomplex>	<ctgmath>

This header is part of the ranges library.

Function objects

Defined in namespace std::experimental::ranges
invoke	invokes a Callable object with the given arguments (function template)
equal_to	function object implementing x == y (class template)
not_equal_to	function object implementing x != y (class template)
greater	function object implementing x > y (class template)
less	function object implementing x < y (class template)
greater_equal	function object implementing x >= y (class template)
less_equal	function object implementing x <= y (class template)
identity	function object that returns its argument unchanged (class)

Synopsis

namespace std { namespace experimental { namespace ranges { inline namespace v1 {

template <class F, class... Args>
std::result_of_t<F&&(Args&&...)> invoke(F&& f, Args&&... args);

template <class T = void>
    requires /* see definition */
struct equal_to;

template <class T = void>
    requires /* see definition */
struct not_equal_to;

template <class T = void>
    requires /* see definition */
struct greater;

template <class T = void>
    requires /* see definition */
struct less;

template <class T = void>
    requires /* see definition */
struct greater_equal;

template <class T = void>
    requires /* see definition */
struct less_equal;

template <> struct equal_to<void>;
template <> struct not_equal_to<void>;
template <> struct greater<void>;
template <> struct less<void>;
template <> struct greater_equal<void>;
template <> struct less_equal<void>;

struct identity;

}}}}