std::hash(3) centos man page | unix.com

std::hash< _Tp >(3)					     Library Functions Manual					       std::hash< _Tp >(3)

NAME
       std::hash< _Tp > -

SYNOPSIS
Detailed Description
   template<typename _Tp>struct std::hash< _Tp >
       Primary class template hash.

       Definition at line 112 of file system_error.

Author
       Generated automatically by Doxygen for libstdc++ from the source code.

libstdc++							  Tue Jun 10 2014					       std::hash< _Tp >(3)