mismatch ( seq1 seq2 -- i )
Factor handbook » The language » Collections » Sequence operations » Comparing sequences

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Vocabulary
sequences

Inputs

seq1	a sequence
seq2	a sequence

Outputs

i

an index

Word description
Compares pairs of elements up to the minimum of the sequences' lengths, outputting the first index where the two sequences have non-equal elements, or f if all tested elements were equal.

Definition

USING: kernel sequences.private ;

IN: sequences

: mismatch ( seq1 seq2 -- i )
    [ min-length ] 2keep mismatch-unsafe ;