GBBopen 1.5 Reference -- expand-point

expand-point

expand-point point amount &optional type-specifier => new-interval [Function]

Purpose
Create a new interval by expanding point by amount.

Package :gbbopen

Module :gbbopen-core

Arguments and values

point		A number
amount		A number
type-specifier		One of: `cons`, `list`, or `array`. (Default is `cons`.)
new-interval		An interval

Returns
The new interval.

Examples

  > (expand-point 3 2)
  (1 . 5)
  > (expand-point 3 2 'cons)
  (1 . 5)
  > (expand-point 3 2 'list)
  (1 5)
  > (expand-point 3 2 'array)
  #(1 5)
  >

Note
Declared numeric and pseudo probability versions of expand-point are also provided: expand-point&, expand-point$&, expand-point$, expand-point$$, expand-point$$$, and expand-point%.

The GBBopen Project

expand-point