std::chrono::operator<< (std::chrono::sys_info)

std::chrono::operator<< (std::chrono::sys_info) - cppreference.com

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`template< class CharT, class Traits > std::basic_ostream<CharT, Traits>& operator<<( std::basic_ostream<CharT, Traits>& os, const std::chrono::sys_info& r );`		(since C++20)

Inserts a textual representation of r into os. The exact format is unspecified.

os	-	an output stream to insert information object into
r	-	a time zone information object

os