Namespace
Varianti

std::plus

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< cpp‎ | utility‎ | functional

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C++
 
Utilità libreria
Tipo di supporto (basic types, RTTI, type traits)
Gestione della memoria dinamica
La gestione degli errori
Programma di utilità
Funzioni variadic
Data e ora
Funzione oggetti
initializer_list(C++11)
bitset
hash(C++11)
Gli operatori relazionali
Original:
Relational operators
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rel_ops::operator!=
rel_ops::operator>
rel_ops::operator<=
rel_ops::operator>=
Coppie e tuple
Original:
Pairs and tuples
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pair
tuple(C++11)
piecewise_construct_t(C++11)
piecewise_construct(C++11)
Swap, in avanti e spostare
Original:
Swap, forward and move
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swap
forward(C++11)
move(C++11)
move_if_noexcept(C++11)
declval(C++11)
 
Funzione oggetti
Funzione wrapper
Original:
Function wrappers
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function(C++11)
mem_fn(C++11)
bad_function_call(C++11)
Associare
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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)
Wrapper di riferimento
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Reference wrappers
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reference_wrapper(C++11)
ref
cref		(C++11)
(C++11)
Operatore wrapper
Original:
Operator wrappers
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Negatori
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Negators
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Sconsigliata a leganti e adattatori
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Deprecated binders and adaptors
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unary_function(deprecato)
binary_function(deprecato)
ptr_fun(deprecato)
pointer_to_unary_function(deprecato)
pointer_to_binary_function(deprecato)
mem_fun(deprecato)
mem_fun_t
mem_fun1_t
const_mem_fun_t
const_mem_fun1_t		(deprecato)
(deprecato)
(deprecato)
(deprecato)
mem_fun_ref(deprecato)
mem_fun_ref_t
mem_fun1_ref_t
const_mem_fun_ref_t
const_mem_fun1_ref_t		(deprecato)
(deprecato)
(deprecato)
(deprecato)
binder1st
binder2nd		(deprecato)
(deprecato)
bind1st
bind2nd		(deprecato)
(deprecato)
 
Elemento definito nell'header <functional>
template< class T >
struct plus;
Oggetto funzione per l'esecuzione di aggiunta. Invita efficace operator+ su due istanze di T tipo.
Original:
Function object for performing addition. Effectively calls operator+ on two instances of type T.
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Indice

[modifica] Membri tipi

Tipo
Original:
Type
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 Definition
result_type T
first_argument_type T
second_argument_type T

[modifica] Membri funzioni

operator()
restituisce la somma di due argomenti
Original:
returns the sum of two arguments
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(metodo pubblico)

std :: più ::
Original:
std::plus::
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operator()

T operator()( const T& lhs, const T& rhs ) const;

Returns the sum of lhs and rhs.

Parameters

lhs, rhs -
valori da sommare
Original:
values to sum
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Return value

The result of lhs + rhs.

Exceptions

(none)

Possible implementation

T operator()(const T &lhs, const T &rhs) const 
{
    return lhs + rhs;
}
Estratto da "https://it.cppreference.com/mwiki/index.php?title=cpp/utility/functional/plus&oldid=27185"