Testing if a String is a number

Todd Blanchard tblanchard at mac.com
Thu Jul 6 01:44:15 UTC 2006


Agree - isThing usually tests if the object is an instance of Thing.

A message name like isNumberAsString would be more "standard".

On Jul 5, 2006, at 12:09 PM, Peter Crowther wrote:

>> From: Damien Cassou
>> I'm surprised there is no #isNumber selector for strings.
>
> Do you mean "responds to arithmetic messages" or "could be converted
> into something that responds to arithmetic messages"?  #isNumber means
> the first (to me); your use seems to be the second.  Given that I have
> code that tests for #isNumber before sending (eg) #+ to an object, I'd
> be unhappy about the second use!
>
> 		- Peter
>




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