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`std::thread::id` Stream Insertion Operator

Write a string representation of the std::thread::id value into the specified stream.

template<typename charT, typename traits>
basic_ostream<charT, traits>&
operator<< (
    basic_ostream<charT, traits>&& out, 
    thread::id id);

Effects:: Inserts a string representation of the std::thread::id value into the specified stream.
Returns:: out
Throws:: Nothing
Note:: The format of the string representation is not specified. Instances of std::thread::id that compare equal have the same representation, and instances that are not equal will have distinct representations.

#include <thread>

See Also