perl-boolean
Boolean support for Perl
Most programming languages have a native 'Boolean' data type. Perl does not. Perl has a simple and well known Truth System. The following scalar values are false: $false1 = undef; $false2 = 0; $false3 = 0.0; $false4 = ''; $false5 = '0'; Every other scalar value is true. This module provides basic Boolean support, by defining two special objects: 'true' and 'false'.
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