before and after methods

Pascal Costanza pc at
Thu May 18 09:09:19 UTC 2017

> On 18 May 2017, at 11:05, Didier Verna <didier at> wrote:
> Pascal Costanza wrote:
>> I’m just guessing, but one reason I can think of is that almost all of
>> the built-in method combinations (except for standard and progn) are
>> applicative. before/after methods don’t have a direct impact on the
>> return value of a generic function call, so their primary purpose is
>> to allow for specifying side effects, which presumably doesn’t make a
>> lot of sense for applicative combinators.
>> Does that make any sense?
>  Hmmm. Nope :-) 

Darn. :-)

Pascal Costanza

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