but-last-slice ( seq -- slice )
Factor handbook » The language » Collections » Sequence operations » Subsequences and slices

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Vocabulary
sequences

Inputs

seq	a sequence

Outputs

slice

a slice

Word description
Outputs a virtual sequence sharing storage with all but the last element of the input sequence.

Errors
Throws an error on an empty sequence.

See also
first, first2, last, last2, but-last, rest, rest-slice

Definition

IN: sequences

: but-last-slice ( seq -- slice ) 1 head-slice* ; inline