17 lines
423 B
Factor
17 lines
423 B
Factor
! Copyright (C) 2009 Doug Coleman.
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! See http://factorcode.org/license.txt for BSD license.
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USING: combinators.short-circuit kernel math sequences strings ;
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IN: quoting
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: quote? ( ch -- ? ) "'\"" member? ;
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: quoted? ( str -- ? )
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{
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[ length 1 > ]
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[ first quote? ]
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[ [ first ] [ peek ] bi = ]
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} 1&& ;
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: unquote ( str -- newstr )
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dup quoted? [ but-last-slice rest-slice >string ] when ;
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