std::plus
Min standard notice:
Header: <functional>
Function object for performing addition. Effectively calls operator+ on two instances of type T.
# Declarations
template< class T >
struct plus;
(until C++14)
template< class T = void >
struct plus;
(since C++14)
# Parameters
lhs, rhs: values to sum
# Return value
The result of lhs + rhs.