operator==,!=(std::function)

<metanoindex/>

 

C++

Sprache

Concepts

Utilities-Bibliothek

Strings Bibliothek

Container-Bibliothek

Algorithmen-Bibliothek

Iteratoren Bibliothek

Numerik-Bibliothek

Input / Output-Bibliothek

Lokalisierungen Bibliothek

Reguläre Ausdrücke Bibliothek (C++11)

Atomare Operationen Bibliothek (C++11)

Thread Support-Bibliothek (C++11)

 

Utilities-Bibliothek

Typen Unterstützung (basic types, RTTI, type traits)

Dynamische Speicherverwaltung

Fehlerbehandlung

Programm Unterstützung

Variadic Funktionen

Datum und Uhrzeit

Funktionsobjekte

initializer_list (C++11)

bitset

hash (C++11)

Relationale Operatoren

rel_ops::operator!= rel_ops::operator> rel_ops::operator<= rel_ops::operator>=

Paare und Tupel

pair

tuple (C++11)

piecewise_construct_t (C++11)

piecewise_construct (C++11)

Swap, forward und move

swap

forward (C++11)

move (C++11)

move_if_noexcept (C++11)

declval (C++11)

 

Function-Objekte

Funktionswrapper
function (C++11)
mem_fn (C++11)
bad_function_call (C++11)
Bindung
bind (C++11)
is_bind_expression (C++11)
is_placeholder (C++11)
_1, _2, _3, ... (C++11)
Referenzwrapper
reference_wrapper (C++11)
ref cref (C++11) (C++11)
Operatorwrapper
plus minus negate multiplies divides modulus logical_and logical_or logical_not	equal_to not_equal_to greater less greater_equal less_equal bit_and bit_or bit_xor
Verneinung
unary_negate binary_negate	not1 not2
Veraltete Binder und Adapter
unary_function (veraltet)
binary_function (veraltet)
ptr_fun (veraltet)
pointer_to_unary_function (veraltet)
pointer_to_binary_function (veraltet)
mem_fun (veraltet)
mem_fun_t mem_fun1_t const_mem_fun_t const_mem_fun1_t (veraltet) (veraltet) (veraltet) (veraltet)
mem_fun_ref (veraltet)
mem_fun_ref_t mem_fun1_ref_t const_mem_fun_ref_t const_mem_fun1_ref_t (veraltet) (veraltet) (veraltet) (veraltet)
binder1st binder2nd (veraltet) (veraltet)
bind1st bind2nd (veraltet) (veraltet)

 

std::function

Member Funktionen

function::function

function::~function

function::operator=

function::swap

function::assign

function::operator bool

function::operator()

function::target_type

function::target

Nicht-Member Funktionen

operator== operator!=

std::swap(std::function)

Hilfsklassen

std::uses_allocator<std::function>

 

<tbody> </tbody>

template< class R, class... ArgTypes > bool operator==( const function<R(ArgTypes...)>& f, std::nullptr_t );	(1)
template< class R, class... ArgTypes > bool operator==( std::nullptr_t, const function<R(ArgTypes...)>& f );	(2)
template< class R, class... ArgTypes > bool operator!=( const function<R(ArgTypes...)>& f, std::nullptr_t );	(3)
template< class R, class... ArgTypes > bool operator!=( std::nullptr_t, const function<R(ArgTypes...)>& f );	(4)

Vergleicht einen std::function mit einem Null-Zeiger .

Original:

Compares a std::function with a null pointer.

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Parameter

f

-

std::function zu vergleichen Original: std::function to compare The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

Rückgabewert

1-2) !f

3-4) (bool) f