[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Chicken-users] Recursive Types?
|
From: |
Martin Schneeweis |
|
Subject: |
Re: [Chicken-users] Recursive Types? |
|
Date: |
Sat, 23 Jun 2018 02:27:06 +0200 |
Hi,
> (define my-fun (lambda (lst) ...))
>
> and I want to make sure that every odd element is a symbol and every
> even element is a string.
the best I could come up with is
(: my-fun ((list-of (pair symbol string)) --> string))
(define my-fun (lambda (lst) ...))
Unfortunately a little bit unwieldy on the client side
(my-fun '((a . "a")(b . "b") ... )))
Martin