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number-snip:  snip-class%
read
number-snip:  make-repeating-decimal-snip
number-snip:  make-fraction-snip
number-snip:  is-number-snip?
number-snip:  get-number

23 Number Snip

class

number-snip:snip-class% : class?

  superclass: snip-class%

method

(send a-number-snip:snip-class read f)

  (or/c (is-a?/c snip%) #f)
  f : (is-a?/c editor-stream-in%)
Overrides read in snip-class%.
Constructs a number snip from its input.

procedure

(number-snip:make-repeating-decimal-snip num 
  show-prefix?) 
  number-snip:is-number-snip?
  num : real?
  show-prefix? : boolean?
Makes a number snip that shows the decimal expansion for number. The boolean indicates if a #e prefix appears on the number.

procedure

(number-snip:make-fraction-snip num 
  show-prefix-in-decimal-view?) 
  number-snip:is-number-snip?
  num : real?
  show-prefix-in-decimal-view? : boolean?
Makes a number snip that shows a fractional view of number. The boolean indicates if a #e prefix appears on the number, when shown in the decimal state.

procedure

(number-snip:is-number-snip? v)  boolean?

  v : any/c
Determines if v is a number snip, i.e., created by number-snip:make-fraction-snip or number-snip:make-repeating-decimal-snip.

All values that answer #t to this predicate are also snip%s.
Returns the number that this number snip displays.