sequence= ( seq1 seq2 -- ? )
Factor handbook » The language » Collections » Sequence operations » Comparing sequences

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mismatch ( seq1 seq2 -- i )

Vocabulary
sequences

Inputs

seq1	a sequence
seq2	a sequence

Outputs

?

a boolean

Word description
Tests if the two sequences have the same length and elements. This is weaker than =, since it does not ensure that the sequences are instances of the same class.

Definition

USING: kernel sequences.private ;

IN: sequences

: sequence= ( seq1 seq2 -- ? )
    [ 2length dupd = ] 2check
    [ mismatch-unsafe not ] [ 3drop f ] if ; inline