std::type_index::name(3)

NAME
std::type_index::name - std::type_index::name

Synopsis
   const char* name() const noexcept; (since C++11)
   Returns the name of the associated std::type_info object. Equivalent to calling
   std::type_info::name() directly.

Parameters
   (none)

Return value
   The name of the associated std::type_info object.

Example
// Run this code
 #include <iostream>
 #include <typeindex>
 int main() {
     std::cout << std::type_index(typeid(std::cout)).name();
 }

Possible output:
 NSt3__113basic_ostreamIcNS_11char_traitsIcEEEE
   Defect reports
   The following behavior-changing defect reports were applied retroactively to
   previously published C++ standards.
      DR Applied to Behavior as published Correct behavior
   LWG 2144 C++11 type_index::name was not required to be required
                       noexcept