std::common_type<std::pair>

Since C++23

Header: <utility>

The common type of two pairs is a pair of both common types of corresponding element types of both pairs.

# Declarations

template< class T1, class T2, class U1, class U2 >
requires requires { typename std::pair<std::common_type_t<T1, U1>,
std::common_type_t<T2, U2>>; }
struct common_type<std::pair<T1, T2>, std::pair<U1, U2>>;

(since C++23)

# Example

This section is incompleteReason: no example

# See also