http://www.perlmonks.org?node_id=1014169


in reply to Re: wxPerl Simulated 7 Segment LCD Display
in thread wxPerl Simulated 7 Segment LCD Display

Simpler, safer, and clearer:

Or just:

# Table lookup for character to segment translation
sub Decode { $ctbl{ $_[0] } // $ctbl{ '=' } }

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In Section Cool Uses for Perl