[r6rs-discuss] >= should not act on subversion, but rather version

AndrevanTonder andre at het.brown.edu
Thu Jun 14 10:59:04 EDT 2007


On Thu, 14 Jun 2007, Carl Eastlund wrote:

> On 6/14/07, AndrevanTonder <andre at het.brown.edu> wrote:
>> By the way, why not have versions be exact decimals
>> instead of lists, so one could write things like
>>
>>    (and (>= 5.45) (< 6))
>> 
>> more concisely.
>
> Because 5.45 is ambiguous between (5 45) and (5 4 5).  Digits impose
> an artificial restriction to the range 0-9.

Ah, I forgot that subversions could be larger than 9 (please also ignore an
additional post I just sent based on this misconception).  But I wonder if
this is not a misfeature, given its dissonance with longstanding industry
practice (as far as I am aware).

Andre



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