std::basic_common_reference<std::pair>

Since C++23

Header: <utility>

The common reference type of two pairs is a pair of both common reference types of corresponding element types of both pairs, where the cv and reference qualifiers on the pairs are applied to their element types.

# Declarations

template< class T1, class T2, class U1, class U2,
template<class> class TQual, template<class> class UQual >
requires requires { typename std::pair<std::common_reference_t<TQual<T1>, UQual<U1>>,
std::common_reference_t<TQual<T2>, UQual<U2>>>; }
struct basic_common_reference<std::pair<T1, T2>, std::pair<U1, U2>, TQual, UQual>;

(since C++23)

# Example

This section is incompleteReason: no example

# See also