concat-as ( seq exemplar -- newseq )
Factor handbook » The language » Collections » Sequence operations » Appending sequences

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Vocabulary
sequences

Inputs

seq	a sequence
exemplar	a sequence

Outputs

newseq

a sequence

Word description
Concatenates a sequence of sequences together into one sequence with the same type as exemplar.

Errors
Throws an error if one of the sequences in seq contains elements not permitted in sequences of the same class as exemplar.

See also
join, join-as, concat

Definition

USING: kernel ;

IN: sequences

: concat-as ( seq exemplar -- newseq )
    [
        [ dup sum-lengths ] dip new-resizable
        [ [ push-all ] curry each ] keep
    ] keep like ; inline