NAME

deductionguidesforstd::pair - deductionguidesforstd::pair

Synopsis

Defined in header <utility>
template<class T1, class T2> (since C++17)
pair(T1, T2) -> pair<T1, T2>;

One deduction guide is provided for std::pair to account for the edge cases missed
by the implicit deduction guides.

In particular, non-copyable arguments and array to pointer conversion

Example

// Run this code

#include <utility>

int main()
{
int a[2], b[3];
std::pair p{a, b}; // explicit deduction guide is used in this case
}