std::plus
From cppreference.com
< cpp | utility | functional
| Defined in header
<functional>
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||
| template< class T >
struct plus; |
(until C++14) | |
| template< class T = void >
struct plus; |
(since C++14) | |
Function object for performing addition. Effectively calls operator+ on two instances of type T.
Contents |
[edit] Specializations
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The standard library provides a specialization of
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(since C++14) | ||||
[edit] Member types
| Type | Definition |
result_type
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T
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first_argument_type
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T
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second_argument_type
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T
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[edit] Member functions
| operator() |
returns the sum of two arguments (public member function) |
std::plus::operator()
| T operator()( const T& lhs, const T& rhs ) const;
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(until C++14) | |
| constexpr T operator()( const T& lhs, const T& rhs ) const;
|
(since C++14) | |
Returns the sum of lhs and rhs.
Parameters
| lhs, rhs | - | values to sum |
Return value
The result of lhs + rhs.
Exceptions
(none)
Possible implementation
constexpr T operator()(const T &lhs, const T &rhs) const { return lhs + rhs; } |