Chris Vine <ch...@cvine.freeserve.co.uk>: > On Fri, 29 Jul 2016 21:00:42 +0300 > Marko Rauhamaa <ma...@pacujo.net> wrote: > [snip] >> More generally, take a look at <URL: >> http://www.delorie.com/gnu/docs/guile/guile-tut_10.html> and how >> MAKE-CELL has been defined. That's true OOP without classes or slots. > > For that simple kind of use you might as well use records. R6RS > records are also inheritable, so you can construct type heirarchies; > SRFI-9 records are not. Guile provides both.
The key is not to specify types (records or otherwise). Provide a constructor plus opaque objects that have methods. As for the "simple kind of use," there is no need for anything more complicated in object-oriented programming. How would the MAKE-CELL example above benefit from R6RS records? Marko
