std::function::operator bool

 

C++

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Data e hora

Objetos de função

initializer_list (C++11)

bitset

hash (C++11)

Os operadores relacionais Original: Relational operators The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

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

Pares e tuplas Original: Pairs and tuples The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

pair

tuple (C++11)

piecewise_construct_t (C++11)

piecewise_construct (C++11)

Troque, avançar e avançar Original: Swap, forward and move The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

swap

forward (C++11)

move (C++11)

move_if_noexcept (C++11)

declval (C++11)

 

Objetos de função

Invólucros de função Original: Function wrappers The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
function (C++11)
mem_fn (C++11)
bad_function_call (C++11)
Ligar Original: Bind The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
bind (C++11)
is_bind_expression (C++11)
is_placeholder (C++11)
_1, _2, _3, ... (C++11)
Invólucros de referência Original: Reference wrappers The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
reference_wrapper (C++11)
refcref (C++11)(C++11)
Invólucros operador Original: Operator wrappers The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
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
Negadores Original: Negators The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
unary_negate binary_negate	not1 not2
Obsoleta ligantes e adaptadores Original: Deprecated binders and adaptors The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
unary_function (obsoleta)
binary_function (obsoleta)
ptr_fun (obsoleta)
pointer_to_unary_function (obsoleta)
pointer_to_binary_function (obsoleta)
mem_fun (obsoleta)
mem_fun_tmem_fun1_tconst_mem_fun_tconst_mem_fun1_t (obsoleta)(obsoleta)(obsoleta)(obsoleta)
mem_fun_ref (obsoleta)
mem_fun_ref_tmem_fun1_ref_tconst_mem_fun_ref_tconst_mem_fun1_ref_t (obsoleta)(obsoleta)(obsoleta)(obsoleta)
binder1stbinder2nd (obsoleta)(obsoleta)
bind1stbind2nd (obsoleta)(obsoleta)

 

std::function

Funções de membro Original: Member functions The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

function::function

function::~function

function::operator=

function::swap

function::assign

function::operator bool

function::operator()

function::target_type

function::target

Não-membros funções Original: Non-member functions The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

operator==operator!=

std::swap(std::function)

Classes auxiliares Original: Helper classes The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

std::uses_allocator<std::function>

 

explicit operator bool()const;		(desde C++11)

Verifica se *this armazena um alvo função exigível, ou seja, não está vazia.

Original:

Checks whether *this stores a callable function target, i.e. is not empty.

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Parâmetros

(Nenhum)

Original:

(none)

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Valor de retorno

true se *this armazena uma função alvo pode ser chamado, caso contrário false.

Original:

true if *this stores a callable function target, false otherwise.

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Exceções

noexcept specification:  

noexcept

  (desde C++11)