Experimental library header <experimental/ranges/functional>

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This header is part of the ranges library.

Function objects

Defined in namespace std::experimental::ranges
invokes a Callable object with the given arguments
(function template)
function object implementing x == y
(class template)
function object implementing x ! = y
(class template)
function object implementing x > y
(class template)
function object implementing x < y
(class template)
function object implementing x >= y
(class template)
function object implementing x <= y
(class template)
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;
 
}}}}
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