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

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< cpp‎ | utility‎ | functional‎ | function

 
 
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Digite apoio (basic types, RTTI, type traits)
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Utilidades do programa
Variadic funções
Data e hora
Objetos de função
initializer_list(C++11)
bitset
hash(C++11)
Os operadores relacionais
Original:
Relational operators
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rel_ops::operator!=
rel_ops::operator>
rel_ops::operator<=
rel_ops::operator>=
Pares e tuplas
Original:
Pairs and tuples
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pair
tuple(C++11)
piecewise_construct_t(C++11)
piecewise_construct(C++11)
Troque, avançar e avançar
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Swap, forward and move
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swap
forward(C++11)
move(C++11)
move_if_noexcept(C++11)
declval(C++11)
 
Objetos de função
Invólucros de função
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Function wrappers
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function(C++11)
mem_fn(C++11)
bad_function_call(C++11)
Ligar
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Bind
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bind(C++11)
is_bind_expression(C++11)
is_placeholder(C++11)
_1, _2, _3, ...(C++11)
Invólucros de referência
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Reference wrappers
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reference_wrapper(C++11)
ref
cref
(C++11)
(C++11)
Invólucros operador
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Operator wrappers
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Negadores
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Negators
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Obsoleta ligantes e adaptadores
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Deprecated binders and adaptors
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unary_function(obsoleta)
binary_function(obsoleta)
ptr_fun(obsoleta)
pointer_to_unary_function(obsoleta)
pointer_to_binary_function(obsoleta)
mem_fun(obsoleta)
mem_fun_t
mem_fun1_t
const_mem_fun_t
const_mem_fun1_t
(obsoleta)
(obsoleta)
(obsoleta)
(obsoleta)
mem_fun_ref(obsoleta)
mem_fun_ref_t
mem_fun1_ref_t
const_mem_fun_ref_t
const_mem_fun1_ref_t
(obsoleta)
(obsoleta)
(obsoleta)
(obsoleta)
binder1st
binder2nd
(obsoleta)
(obsoleta)
bind1st
bind2nd
(obsoleta)
(obsoleta)
 
std::function
Funções de membro
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Member functions
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function::function
function::~function
function::operator=
function::swap
function::assign
function::operator bool
function::operator()
function::target_type
function::target
Não-membros funções
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Non-member functions
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operator==
operator!=
std::swap(std::function)
Classes auxiliares
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Helper classes
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std::uses_allocator<std::function>
 
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)
Compara um std::function com um ponteiro nulo.
Original:
Compares a std::function with a null pointer.
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[editar] Parâmetros

f -
std::function para comparar
Original:
std::function to compare
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[editar] Valor de retorno

1-2) !f

3-4) (bool) f

[editar] Exemplo