std::hash<std::chrono::weekday> - cppreference.com

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template<> struct hash<std::chrono::weekday>;

(since C++26)

The template specialization of std::hash for std::chrono::weekday allows users to obtain hashes of objects of type std::chrono::weekday. This specialization is enabled.

The operator() of this specialization is noexcept.

Notes

Feature-test macro Value Std Feature
__cpp_lib_chrono 202306L (C++26) Hashing support for std::chrono value classes

See also

hash function object
(class template) [edit]