Viewing profile — jarhart
jarhart
HN member- Joined
- Mon, Oct 28, 2013, 7:17 PM UTC
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About jarhart
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Recent public activity
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Comment #7348862
I completely agree that TDD originally meant that, and still does. The problem is too many developers don't bother to learn what TDD really means and immediately think of it as a t…
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Comment #7348829
I'm often frustrated with developers looking at the term "test-driven development", focusing on the word "test", and thinking of TDD as a testing process instead of a development p…
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Comment #6630660
Actually it's not. Only the primitive readers have similar "overhead" as with the implicits approach. Most of the readers are defined by mapping or flatMapping over the primitives …
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Comment #6630303
It does actually solve the problem that DI solves in general, because you create readers that expect the dependency to be injected into them. You still have to decide how to do the…
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Comment #6629724
I look forward to that blog post. In order to use Scalaz's monad transformers with scala.concurrent.Future, would I have to write my own monad instance for it, or is there a way to…
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Comment #6629496
Technically, Scala's for comprehensions don't let you mix monads either, but implicit conversions make it work in some cases. For example, there's an implicit conversion from Optio…
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Comment #6629213
I actually like using comprehensions in Scala so I don't find it annoying at all. Also I think having a clear distinction between the "normal" and "injected" functions is a good th…