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