[Top][All Lists]
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Chicken-users] Hash table equality pitfall
From: |
Alex Shinn |
Subject: |
Re: [Chicken-users] Hash table equality pitfall |
Date: |
Fri, 2 Mar 2012 10:51:05 +0900 |
On Fri, Mar 2, 2012 at 3:01 AM, Peter Bex <address@hidden> wrote:
> On Thu, Mar 01, 2012 at 12:03:25PM -0500, John Cowan wrote:
>> In addition, the following Schemes support SRFI-69 with `equal?`
>> descending into hash tables: Kawa, Chibi.
>
> What does this mean in practice? Do they do a "dumb" comparison like
> Chicken does (ie, producing different results depending on the insertion
> order) or do they check whether the hash tables have exactly the same
> keys, each with identical corresponding values?
Chibi does a dumb comparison like Chicken does.
If you use the equal? from R7RS (scheme base) it also
handles cycles.
--
Alex