You are viewing the version of this documentation from Perl 5.29.1.
This is a development version of Perl.
- #${^WARNING_BITS}
-
The current set of warning checks enabled by the use warnings pragma. It has the same scoping as the $^H and %^H variables. The exact values are considered internal to the warnings pragma and may change between versions of Perl.
This variable was added in Perl v5.6.0.