| 
(Note that these are not member functions.)  
 | 
| bool  | operator== (thread::id __x, thread::id __y) noexcept | 
|   | 
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| bool  | operator!= (thread::id __x, thread::id __y) noexcept | 
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| bool  | operator< (thread::id __x, thread::id __y) noexcept | 
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| bool  | operator<= (thread::id __x, thread::id __y) noexcept | 
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| bool  | operator> (thread::id __x, thread::id __y) noexcept | 
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| bool  | operator>= (thread::id __x, thread::id __y) noexcept | 
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| template<class _CharT , class _Traits >  | 
| basic_ostream< _CharT, _Traits > &  | operator<< (basic_ostream< _CharT, _Traits > &__out, thread::id __id) | 
|   | 
A std::thread::id is a unique identifier for a thread.
- Since
 - C++11 
 
Definition at line 92 of file std_thread.h.