Provided by: libstdc++-8-doc_8.4.0-1ubuntu1~18.04_all 

NAME
std::underlying_type< _Tp > - The underlying type of an enum.
SYNOPSIS
Public Member Functions
typedef __underlying_type (_Tp) type
Detailed Description
template<typename _Tp>
struct std::underlying_type< _Tp >" The underlying type of an enum.
Definition at line 2007 of file type_traits.
Author
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libstdc++ Tue Mar 10 2020 std::underlying_type< _Tp >(3cxx)