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

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< cpp‎ | chrono‎ | sys info

Defined in header `<chrono>` |  |
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.

### Return value

`os`.

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