> Le 16 nov. 2017 à 06:29, Matt Gallagher via swift-evolution
> <swift-evolution@swift.org> a écrit :
>
> On the topic of a method that "compacts" without also mapping... I think this
> encourages poor designs that should be using lazy transformations instead of
> aggregate processing. There is almost always a way around a bare flatten. The
> obvious quirkiness of `filterMap { $0 }` (or whatever the name ends up being)
> should be seen as a nudge to re-think the algorithm leading up to that point.
I can hear the argument, but it errs in the side of premature optimization.
Besides, seq.lazy.compacted() still has a meaning.
Gwendal
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