subseq-as ( from to seq exemplar -- subseq )
Factor handbook » The language » Collections » Sequence operations » Subsequences and slices

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Vocabulary
sequences

Inputs

from	a non-negative integer
to	a non-negative integer
seq	a sequence
exemplar	a sequence

Outputs

subseq

a new sequence

Word description
Outputs a new sequence consisting of all elements starting from and including from, and up to but not including to of type exemplar.

Errors
Throws an error if from or to is out of bounds.

Definition

USING: kernel sequences.private ;

IN: sequences

: subseq-as ( from to seq exemplar -- subseq )
    [ check-slice ] dip subseq-unsafe-as ;