std:: hash <std::type_index>

From cppreference.com

Defined in header `<typeindex>`
template <> struct hash < std:: type_index > ;		(since C++11)

The template specialization of std::hash for std::type_index allows users to obtain hashes of objects of type std::type_index .

The member operator ( ) effectively returns the same value as hash_code() .

Compiler support
Freestanding and hosted
Language
Standard library
Standard library headers
Named requirements
Feature test macros (C++20)
Language support library
Concepts library (C++20)
Metaprogramming library (C++11)
Diagnostics library
General utilities library
Strings library
Containers library
Iterators library
Ranges library (C++20)
Algorithms library
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Filesystem library (C++17)
Regular expressions library (C++11)
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Execution support library (C++26)
Technical specifications
Symbols index
External libraries

Member functions
type_index::type_index
type_index::operator= type_index::operator!= type_index::operator< type_index::operator<= type_index::operator> type_index::operator>= type_index::operator<=> (until C++20) (C++20)
type_index::hash_code
type_index::name
Helper classes
hash <std::type_index> (C++11)