bowbow99/xyzzy.ansify — Issue #20: subtype
Author: miyamuko
Created: 2011-10-22 04:09:23+00:00
State: open

subtypep もバグバグなので ansify にあるとうれしいです。

```lisp
(subtypep 'single-float 'number)
;=> (single-float double-float long-float)
; t
(subtypep 'single-float '(or null number))
;=> nil
; nil

;; clisp や SBCL

[1]> (subtypep 'single-float 'number)
T ;
T
[2]> (subtypep 'single-float '(or null number))
T ;
T
```