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Discussion on: Daily Challenge #1 - String Peeler

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gypsydave5 profile image
David Wickes •

Factor 

USING: kernel math sequences ;
IN: dev.to-daily-challenge

: not-first-and-last ( str -- str ) dup length 2 >  [ rest but-last ] [ ] if ;

and some tests

USING: tools.test dev.to-daily-challenge ;
IN: dev.to-daily-challenge.tests

{ "ell" } [ "hello" not-first-and-last ] unit-test
{ "e" } [ "hel" not-first-and-last ] unit-test
{ "ha" } [ "ha" not-first-and-last ] unit-test
{ "" } [ "" not-first-and-last ] unit-test