Provided by: libstdc++-7-doc_7.5.0-6ubuntu2_all 

NAME
std::hash< _Tp > - Primary class template hash.
SYNOPSIS
Detailed Description
template<typename _Tp>
struct std::hash< _Tp >" Primary class template hash.
Primary class template hash, usable for enum types only.
Definition at line 142 of file system_error.
Author
Generated automatically by Doxygen for libstdc++ from the source code.
libstdc++ Thu Mar 26 2020 std::hash< _Tp >(3cxx)