On Mar 23, 2007, at 3:20 PM, Charles Yeomans wrote:
> Well, Perl appears to find everything a useful feature. Perhaps the
> ability to return multiple values could be useful, but I am not
> entirely convinced. Consider your example of returning lists of
> words and counts for each word in a string. On grounds of
> efficiency, it would almost certainly be better to be able to compute
> and return both at the same time. But perhaps the better way to do
> it would be to introduce an object to represent the concept of a word
> count -- a dictionary with a more focused interface.
>
> One reason I would not find convincing would be the ability to return
> both a function result and an error code; that still has the usual
> problems that come with returning error codes.
Syntax and usage would /could be complicated
How would you use it in a case like
if FunctionReturningAndIntAndString() = ? then
which item gets used as the part of the comparison ?
The first returned value ?
The one that matches the type ?
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