The Mutex concept extends the Lockable

Defined in header

Defined in header <complex.h>

protected: void swap(basic_istream& rhs);

Defined in header

protected: virtual pos_type seekoff( off_type off,

An object whose identifier is declared without the storage-class specifier _Thread_local, and either with external or internal linkage or with the storage-class

Usage

Defined in header

std::basic_string<CharT,Traits,Allocator> str() const; (1)