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From: | EfraimVagner |
Subject: | [Chicken-users] Print asymmetry with coops |
Date: | Fri, 26 Apr 2019 09:11:02 +0000 |
I've
started to work on a small project for fun in scheme, and I wanted to
use a class for one thing. I saw that there is the coops extension, that
does what I want, but my problem is that when printing an object i get
#<coops-instance>. I saw I can use describe-object to get a better
description of the object. Another thing that I would like to have, is
that in sbcl, for example (I think any common lisp implementation acts
the same), when using defstruct, the printed version of the new object
can be used to create another object. For example:
(defstruct point x y)
(make-point :x 1 :y 2) ;; Will print #S(POINT :X 1 :Y 2)
(setq p1 #S(POINT :X 10 :Y 0)) ;; p1 will be a point with x=10 and y=0
I
don't like the way it works in scheme because it looses the symmetry of
lisp. My question is then, how can I restore the symmetry? (btw, I'm
using chicken scheme if it matters)
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