Provided by: libstdc++-5-doc_5.4.0-6ubuntu1~16.04.12_all 

NAME
std::_Placeholder< _Num > -
SYNOPSIS
Detailed Description
template<int _Num>
struct std::_Placeholder< _Num >" The type of placeholder objects defined by libstdc++.
Definition at line 767 of file functional.
Author
Generated automatically by Doxygen for libstdc++ from the source code.
libstdc++ Fri Oct 4 2019 std::_Placeholder< _Num >(3cxx)