?tail ( seq end -- newseq ? )
Factor handbook » The language » Collections » Sequence operations » Splitting sequences

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Vocabulary
splitting

Inputs

seq	a sequence
end	a sequence

Outputs

newseq	a new sequence
?	a boolean

Word description
Tests if seq ends with end. If there is a match, outputs the subrange of seq excluding end, and t. If there is no match, outputs seq and f.

Definition

USING: sequences splitting.private ;

IN: splitting

: ?tail ( seq end -- newseq ? ) [ tail? ] [ head* ] ?chomp ;