>>>>> "GB" == Graham Barr <[EMAIL PROTECTED]> writes:
GB> On Wed, May 02, 2001 at 04:30:07PM +0100, Michael G Schwern wrote:
>> On Wed, May 02, 2001 at 08:05:29AM -0700, Larry Wall wrote:
>> > Michael G Schwern writes:
>> > : (grep {...} @stuff)[0] will work, but its inelegant.
>> >
>> > It's inelegant only because the slice doesn't know how to tell the
>> > iterator it only needs one value. If it did know, you'd call it
>> > elegant. :-)
>>
>> I'd call it Haskel! I've just installed it and have been skimming the
>> docs.
>>
>> Would be neat if: my($first) = grep {...} @list; knew to stop itself, yes.
GB> Yes. This could probably fall out of the suggestion that wantarray
GB> (or want) return how many elements are wanted in a list context
provided the list was literal. if it is created via a function or an
expression then you have to pass the laziness and wantarray count up the
line, etc. i don't know if we (or larry) wants to make all code have a
maximum iteration/count value implicitly passed into them and have such
lazy evaluation at all times.
uri
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