19
Diagnostics library
[diagnostics]
19.5
System error support
[syserr]
19.5.7
System error hash support
[syserr.hash]
🔗
template
<
>
struct
hash
<
error_code
>
;
template
<
>
struct
hash
<
error_condition
>
;
1
#
The specializations are enabled (
[unord.
hash]
)
.