17
Language support library
[support]
17.7
Type identification
[support.rtti]
17.7.6
Header
<typeindex>
synopsis
[type.index.synopsis]
🔗
#include
<
compare
>
/ see
[compare.
syn]
#include
<
typeinfo
>
/ see
[typeinfo.
syn]
namespace
std
{
class
type_index;
template
<
class
T
>
struct
hash;
template
<
>
struct
hash
<
type_index
>
;
}