letfn has no value imo. It is an unwritten stylistic rule I have to never
use it. Why introduce a new macro syntax for something that could just as
easily be written as?:
(let [f1 (fn [] ...)
f2 (fn [] ...)]
(+ (f1) (f2)))
On Thu, Nov 20, 2014 at 12:41 PM, henry w <[email protected]> wrote:
> I never heard of letfn before. that looks like a clear way to do what i
> need.
>
> just found this stackoverflow thread which is relevant:
> http://stackoverflow.com/questions/23255798/clojure-style-defn-vs-letfn
>
> On Thu, Nov 20, 2014 at 3:34 PM, Alex Baranosky <
> [email protected]> wrote:
>
>> I'd structure my app like this.
>>
>> Say there's one "pages" ns with code for different webpages
>>
>> pages/index is a pretty short function
>> pages/dashboard is a more elaborate function and has two subcomponents:
>> ->analytics, and ->user-info
>> pages.analytics/->analytics
>> pages.user-info/->user-info
>>
>> On Thu, Nov 20, 2014 at 9:23 AM, Tassilo Horn <[email protected]> wrote:
>>
>>> henry w <[email protected]> writes:
>>>
>>> > you have understood my arguments pretty much. again the thing that
>>> > bothers me is that f and g are logically part of x only, but are
>>> > visible from y and z (even if and and y are declared higher up, the
>>> > same problem applies to their own related, private fns and x).
>>>
>>> Then declare f and g inside of x using `let' or `letfn'.
>>>
>>> Bye,
>>> Tassilo
>>>
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>>
>
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