?span-slices ( slice1/f slice2/f -- slice )

Vocabulary

sequences.extras

Inputs

slice1/f	a slice or f
slice2/f	a slice or f

Outputs

slice

a slice

Word description

Create a virtual sequence spanning the length covered by slice1 and slice2. Slices must refer to the same sequence. If fis one of the inputs, it is omitted.

Definition

USING: kernel ;

IN: sequences.extras

: ?span-slices ( slice1/f slice2/f -- slice )
    2dup and [ span-slices ] [ or ] if ;