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std::multiplies

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< cpp‎ | utility‎ | functional

 
 
ユーティリティライブラリ
支援を入力します (basic types, RTTI, type traits)
動的なメモリ管理
エラー処理
プログラムユーティリティ
可変個引数関数
日付と時刻
関数オブジェクト
initializer_list(C++11)
bitset
hash(C++11)
関係演算子
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Relational operators
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rel_ops::operator!=
rel_ops::operator>
rel_ops::operator<=
rel_ops::operator>=
ペアとタプル
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Pairs and tuples
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pair
tuple(C++11)
piecewise_construct_t(C++11)
piecewise_construct(C++11)
フォワード、スワップ、および移動
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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)
 
関数オブジェクト
関数ラッパー
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Function wrappers
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function(C++11)
mem_fn(C++11)
bad_function_call(C++11)
バインド
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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)
リファレンス·ラッパー
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Reference wrappers
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reference_wrapper(C++11)
ref
cref
(C++11)
(C++11)
オペレーターのラッパー
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Operator wrappers
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否定子
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Negators
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バインダーおよびアダプタは非推奨になりました
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Deprecated binders and adaptors
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unary_function(廃止予定)
binary_function(廃止予定)
ptr_fun(廃止予定)
pointer_to_unary_function(廃止予定)
pointer_to_binary_function(廃止予定)
mem_fun(廃止予定)
mem_fun_t
mem_fun1_t
const_mem_fun_t
const_mem_fun1_t
(廃止予定)
(廃止予定)
(廃止予定)
(廃止予定)
mem_fun_ref(廃止予定)
mem_fun_ref_t
mem_fun1_ref_t
const_mem_fun_ref_t
const_mem_fun1_ref_t
(廃止予定)
(廃止予定)
(廃止予定)
(廃止予定)
binder1st
binder2nd
(廃止予定)
(廃止予定)
bind1st
bind2nd
(廃止予定)
(廃止予定)
 
Defined in header <functional>
template< class T >
struct multiplies;
乗算を行うための関数オブジェクト。効率的に型operator*の2つのインスタンスをT呼び出し.
Original:
Function object for performing multiplication. Effectively calls operator* on two instances of type T.
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目次

[編集] メンバータイプ

タイプ
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Type
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Definition
result_type T
first_argument_type T
second_argument_type T

[編集] メンバ関数

operator()
二つの引数の積を返します
Original:
returns the product of two arguments
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(パブリックメンバ関数)

stdは::乗算::
Original:
std::multiplies::
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operator()

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

Returns the product of lhs and rhs.

Parameters

lhs, rhs -
乗算する値
Original:
values to multiply
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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;
}