Experimental library header <experimental/ranges/functional>
From cppreference.com
< cpp | header | experimental
C++
Feature test macros (C++20)
Concepts library (C++20)
Metaprogramming library (C++11)
Ranges library (C++20)
Filesystem library (C++17)
Concurrency support library (C++11)
Execution control library (C++26)
Standard library headers
<compare> (C++20)
<contracts> (C++26)
<coroutine> (C++20)
<cstdint> (C++11)
<source_location> (C++20)
<stdfloat> (C++23)
<version> (C++20)
<concepts> (C++20)
<debugging> (C++26)
<stacktrace> (C++23)
<system_error> (C++11)
<memory_resource> (C++17)
<scoped_allocator> (C++11)
<type_traits> (C++11)
<ratio> (C++11)
<any> (C++17)
<bit> (C++20)
<charconv> (C++17)
<expected> (C++23)
<format> (C++20)
<optional> (C++17)
<stdbit.h> (C++26)
<tuple> (C++11)
<typeindex> (C++11)
<variant> (C++17)
<array> (C++11)
<flat_map> (C++23)
<flat_set> (C++23)
<forward_list> (C++11)
<hive> (C++26)
<mdspan> (C++23)
<span> (C++20)
<unordered_map> (C++11)
<unordered_set> (C++11)
<generator> (C++23)
<ranges> (C++20)
<cuchar> (C++11)
<string_view> (C++17)
<codecvt> (C++11/17/26*)
<regex> (C++11)
<cfenv> (C++11)
<linalg> (C++26)
<numbers> (C++20)
<random> (C++11)
<simd> (C++26)
<stdckdint.h> (C++26)
<chrono> (C++11)
<ccomplex> (C++11/17/20*)
<ciso646> (until C++20)
<cstdalign> (C++11/17/20*)
<cstdbool> (C++11/17/20*)
<ctgmath> (C++11/17/20*)
<cinttypes> (C++11)
<filesystem> (C++17)
<print> (C++23)
<spanstream> (C++23)
<strstream> (C++98/26*)
<syncstream> (C++20)
<atomic> (C++11)
<barrier> (C++20)
<condition_variable> (C++11)
<future> (C++11)
<hazard_pointer> (C++26)
<latch> (C++20)
<mutex> (C++11)
<rcu> (C++26)
<semaphore> (C++20)
<shared_mutex> (C++14)
<stdatomic.h> (C++23)
<stop_token> (C++20)
<thread> (C++11)
<execution> (C++17)
Experimental library headers
Execution P2300
Filesystem TS
Parallelism TS (v1, v2)
experimental/algorithm
experimental/execution_policy
experimental/exception_list
Library Fundamentals TS (v1, v2, v3)
experimental/algorithm
experimental/array
experimental/chrono
experimental/deque
experimental/forward_list
experimental/future
experimental/iterator
experimental/list
experimental/map
experimental/memory
experimental/numeric
experimental/propagate_const
experimental/random
experimental/ratio
experimental/regex
experimental/scope
experimental/set
experimental/source_location
experimental/string
experimental/system_error
experimental/tuple
experimental/type_traits
experimental/unordered_map
experimental/unordered_set
experimental/utility
experimental/vector
Concurrency TS
experimental/atomic
experimental/barrier
experimental/future
experimental/latch
Ranges TS
<experimental/ranges/functional>
Coroutines TS
experimental/coroutine
Networking TS
experimental/buffer
experimental/executor
experimental/internet
experimental/io_context
Reflection TS
This header is part of the ranges library.
[edit] Function objects
Defined in namespace
std::experimental::ranges
[edit] 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; }}}}