std::negate

 

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关系运算符 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>=

双和元组 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.

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功能包装 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）
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绑定 Original: Bind The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
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参考包装 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.
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操作包装 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
否定词 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
已过时粘合剂和适配器 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 （过时了）
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bind1st bind2nd （过时了） （过时了）

 

Defined in header <functional>
template< class T > struct negate;

函数对象进行否定。有效地调用operator-T类型的一个实例.

Original:

Function object for performing negation. Effectively calls operator- on an instance of type T.

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会员类型

类型 Original: Type The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.	Definition
result_type	T
argument_type	T

成员函数

operator()	返回否定的说法 Original: returns the negation of the argument The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. （公共成员函数）

的std ::否定

Original:

std::negate::

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operator()

T operator()( const T& arg ) const;

Returns the negation of arg.

Parameters

arg

-

值来计算的否定 Original: value to compute negation of The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

Return value

The result of -arg.

Exceptions

(none)

Possible implementation

T operator()(const T &arg) const { return -arg; }