prepend-as ( seq1 seq2 exemplar -- newseq )

Vocabulary

sequences

Inputs

seq1	a sequence
seq2	a sequence
exemplar	a sequence

Outputs

newseq

a sequence

Word description

Outputs a new sequence of the same type as exemplar consisting of the elements of seq2 followed by seq1.

Errors

Throws an error if seq1 or seq2 contain elements not permitted in sequences of the same class as exemplar.

Examples

USING: prettyprint sequences ; { 3 4 } B{ 1 2 } B{ } prepend-as .
B{ 1 2 3 4 }

USING: prettyprint sequences strings ; "ing" "go" SBUF" " prepend-as .
SBUF" going"

See also

prepend

Definition

USING: kernel ;

IN: sequences

: prepend-as ( seq1 seq2 exemplar -- newseq )
    swapd append-as ; inline