Lisp aesthetics (and OO message passing)
Jul 20th, 2006 by Phil Dawes
The Lisp style has been really trying my sense of aesthetic.
Yesterday I got really hung up on the fact that I prefer the ‘message-passing’ approach to OO rather than the ‘call a function and pass in the object as an arg’ style. The latter just feels clumsy to me.
Then it occurred to me that lisp syntax could easily support a message passing style. E.g. I could do:
(meaning “send the ‘withdraw’ message to the philaccnt object with an argument of 10).
(philaccnt 'withdraw: 10)
Hmmm… just write a ‘class’ macro that creates a hash of lambdas and function ‘make-object’ that takes the class hash and returns a closure that dispatches the messages to method calls.
Could be something to this lisp build your own language malarky…
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