Thanks everyone. Seems like there's pretty solid agreement on which
solution is preferred.
Cheers, Jay
On Saturday, August 17, 2013, David Chelimsky wrote:
> On Fri, Aug 16, 2013 at 9:49 PM, Gregg Reynolds
> <d...@mobileink.com<javascript:_e({}, 'cvml', 'd...@mobileink.com');>
> > wrote:
>
>> On Tue, Aug 13, 2013 at 1:50 PM, John D. Hume
>> <duelin.mark...@gmail.com<javascript:_e({}, 'cvml',
>> 'duelin.mark...@gmail.com');>>
>> wrote:
>> > Though in some cases the performance impact could be significant, my
>> concern
>> > is readability. My understanding of the concept of partial function
>> > application is that it's about supplying some but not all of the
>> arguments.
>> > So when I see `partial` in code, I expect more arguments to be supplied
>> > later, which is confusing when that's not the case. (Obviously context
>> can
>> > make it easy to see that there will be no more arguments, but often that
>> > context is not present.)
>> >
>>
>> +1. Using partial to convert a unary func into a nullary func when
>> #() is available strikes me as malpractice. Suppose you were to come
>> across something like this in legacy code:
>>
>> >> (do-work (partial say-hello "bob"))
>>
>> For me, the natural inference would be that say-hello must want at
>> least one more arg (otherwise why partial?), so do-work must be
>> feeding some arg to the result of (partial say-hello "bob"), like
>> adding "Don't worry, we're not watching you", in case the NSA owns
>> do-work. Execution efficiency aside, downstream programmer confusion
>> due to implied semantics also has a cost.
>>
>> -Gregg
>>
>
> I agree w/ John and Gregg, though I don't think I'd sue you for
> malpractice ;) partial means something and using it this way gives it a
> different meaning, even if it happens to solve the problem at hand.
>
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