On Mar 1, 11:02 am, "Michel S." <michel.syl...@gmail.com> wrote:
> On Feb 28, 6:16 pm, linh <nguyenlinh.m...@gmail.com> wrote:> hello,
> > what's the common idiom in functional programming regarding checking
> > the validity of arguments to functions. i think this is called
> > defensive programming vs contract programming.
>
> Mostly defensive, I think. Some languages (e.g. PLT Scheme) have
> contracts:http://docs.plt-scheme.org/guide/contracts.html
>
Also, constructs such as Haskell's Maybe monad (available in clojure-
contrib) simplifies doing defensive programming on a chain of
computation.
Which reminds me. We have no error monad yet (not as important since
Clojure has Java exceptions, though).
--
Michel S.
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