Add more doctest to Monad and FlatMap#4427
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diogocanut wants to merge 7 commits intotypelevel:mainfrom
Open
Add more doctest to Monad and FlatMap#4427diogocanut wants to merge 7 commits intotypelevel:mainfrom
Monad and FlatMap#4427diogocanut wants to merge 7 commits intotypelevel:mainfrom
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armanbilge
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Monad and FlatMap
johnynek
reviewed
May 17, 2023
armanbilge
reviewed
Jun 26, 2023
core/src/main/scala/cats/Monad.scala
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| * scala> val appendStr: StateT[Id, String, Unit] = StateT.modify(_ + "a") | ||
| * scala> val appendStrAndGet: StateT[Id, String, String] = appendStr *> StateT.get | ||
| * scala> val (result, agg) = appendStrAndGet.whileM[Vector](StateT.inspect(i => !(i.length >= 5))).run("") | ||
| * result: String = aaaaa | ||
| * agg: Vector[String] = Vector(a, aa, aaa, aaaa, aaaaa) |
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Instead of StateT[Id, ...] can't we just use State? The issue with StateT[Id, ...] is that actually it is not stacksafe.
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Sure, should I use State also in all other examples that uses StateT or just this one?
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Yes. You should never use StateT[Id.
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Done. I'm using State now, but there's some results that's previous result + 1, like in iterateUntilM. Is that okay?
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PR for part of #2479
Adding doctest for
MonadandFlatMaptypeclasses.