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Re: Hash table read syntax in guile 2.0

From: Hengqing Hu
Subject: Re: Hash table read syntax in guile 2.0
Date: Mon, 18 Feb 2013 11:28:09 +0800

Here it is:

Welcome your suggestions!

在 2013-2-18,11:24,Daniel Hartwig <address@hidden> 写道:

> On 18 February 2013 11:14, Hengqing Hu <address@hidden> wrote:
>> Though I didn't look into the implementation.
>> I suppose length is a constant time operation here,
>> if you use fold instead to get the same thing.
>> It would be linear time.
> This is not guaranteed.
>> Knowing something is empty or not rises after I put something inside
>> and then take something out.
>> Then I dont't know whether there are still something left, so I need to 
>> examine it.
>> Or if something can tell me.
> Although the point of your algorithm is vague, I believe you will find
> a better one using hash-fold that does not involve checking for
> emptiness.
> Why do you need to know if some elements are left, and what happens if
> there are?  Do you have some code I could look at?

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