[#StdChronoDuration]
= StdChronoDuration
:mrdocs:

A concept for C++ std::chrono durations.

== Synopsis

Declared in `<random.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<typename T>
concept StdChronoDuration = requires {
    []<class Rep, class Period>(std::type_identity<std::chrono::duration<Rep, Period>>){}(
        std::type_identity<T>());
};
----


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