Namespaces
Variants
Views
Actions

std::plus

From cppreference.com
< cpp‎ | utility‎ | functional
Revision as of 08:17, 23 April 2013 by P12 (Talk | contribs)

 
 
 
Function objects
Function wrappers
(C++11)
(C++11)
Bind
(C++11)
Reference wrappers
(C++11)(C++11)
Operator wrappers
Negators
Deprecated binders and adaptors
(deprecated)
(deprecated)
(deprecated)
(deprecated)
(deprecated)(deprecated)(deprecated)(deprecated)
(deprecated)
(deprecated)(deprecated)(deprecated)(deprecated)
(deprecated)(deprecated)
(deprecated)(deprecated)
 

Template:ddcl list begin <tr class="t-dsc-header">

<td>
Defined in header <functional>
</td>

<td></td> <td></td> <tr class="t-dcl ">

<td class="t-dcl-nopad">
template< class T >
struct plus;
</td>

<td class="t-dcl-nopad"> </td> <td class="t-dcl-nopad"> </td> </tr> Template:ddcl list end

Function object for performing addition. Effectively calls operator+ on two instances of type T.

Contents

Member types

Type Definition
result_type T
first_argument_type T
second_argument_type T

Member functions

operator()
returns the sum of two arguments
(public member function) [edit]

std::plus::operator()

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

Returns the sum of lhs and rhs.

Parameters

lhs, rhs - values to sum

Return value

The result of lhs + rhs.

Exceptions

(none)

Possible implementation

T operator()(const T &lhs, const T &rhs) const 
{
    return lhs + rhs;
}