RosettaCodeData/Task/Pangram-checker/Retro/pangram-checker.retro
2020-02-17 23:21:07 -08:00

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'abcdefghijklmnopqrstuvwxyz 'FULL s:const
'__________________________ 'TEST s:const
:s:pangram? (s-f)
'__________________________ &TEST #26 copy
s:to-lower [ c:letter? ] s:filter
[ dup $a - &TEST + store ] s:for-each
&TEST &FULL s:eq? ;