Defined in header

Defined in header

bool unique() const;

Usage signed

Defined in header

A class template defines a family of classes. Syntax

template< class CharT, class Traits, class ResultType > std::basic_ostream<CharT

Any lvalue or rvalue of this type can be swapped with any lvalue or rvalue of some other type, using unqualified function call swap() in the context where both

bool try_lock();

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