hash Structure (C++ Standard Library)

Defines a member function that returns a value that's uniquely determined by Val. The member function defines a hash function that's suitable for mapping values of type thread::id to a distribution of index values.


template <>
struct hash<thread::id> :
    public unary_function<thread::id, size_t>
    size_t operator()(thread::id Val) const;



Header: <thread>

Namespace: std

See also

Header Files Reference
unary_function Struct