std::hash<std::chrono::year_month_day>

Since C++26

Header: <chrono>

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

# Declarations

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

(since C++26)

# Notes

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

# See also