On Fri, 20 May 2011 10:44:00 -0400, Andre van Tonder <andre@het.brown.edu>
wrote:

> On Fri, 20 May 2011, John Cowan wrote:
>
>> Andre van Tonder scripsit:
>>
>>> Scheme has many generic procedures, such as port?, read, write,
>>> display, cons, +, -, *, /, <, >, <=, >=, sin, etc.
>>
>> True that the math procedures are generic in the sense of
>> representations, but they are not generic in the sense of handling
>> something other than numbers.
>
> And CLOSE-PORT would not be generic in the sense of handling
> something other than ports.

Filed ticket #191.

	Aaron W. Hsu

--
Programming is just another word for the lost art of thinking.

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