Let us suppose, we have to create the OddList[+T] which contains only odd number of elements. Now can we do something like this if there is no cond ...
Let us suppose, we have to create the OddList[+T] which contains only odd number of elements. Now can we do something like this if there is no cond ...
I have a simple case class that represents a pet: Now say I have a case class that has a 1:1 mapping to Pet, but where all of the properties have b ...
I know it is totally a nonsense question but due to my illiteracy on programming skill this question came to my mind. Cats and scalaz are used so that ...
I am trying to build a Scala play application and a dependency is suddenly failing to download due to the repo no longer being up Full stack trace be ...
I'm migrating some scalaz based code to typelevel cats. project/plugins.sbt build.sbt scalacOptions ++= Seq("-feature", "-deprecation", "-Xlint", ...
I am writing a DSL using case classes with the help of the cats.free.Free Monad library. The DSL is to be interpreted by Actors receiving the message, ...
Is there a concise way to deeply merge two mutable maps in Scala? Examples: I. II. III. I.e if there are the same key presented in both o ...
I'm sorry for this question but I haven't been able to get an answer from the previous questions. I have a Scala class Now in another class I have ...
What do I need to do to compare two Java UUIDs? Do I need to create an instance of the Equal typeclass for java.util.UUID? ...
In Cats I can do import cats.Eq implicit val eq: Eq[Foo] = Eq.fromUniversalEquals[Foo] How do I do this using Scalaz (7.3.1)? I tried this fro ...
I am relatively new to scala implicits, but if I wanted to be able to do 5.??, I would do: class MyInt(int: Int) { // Useless, just to make a point ...
I just started evaluating ZIO to improve the programming model and the performance of my asynchronous Scala code. In my code base I deal with Future[O ...
I believe scalaz has monoid instances for both Map and SortedMap. But this doesn't work ...
I'm learning scalaz these days. When I compare scalaz with Haskell, I find that it's hard to customize my own monad transformer. The code I can do in ...
I have 3 distinct modules each with its own error type. Following is a very simplified version. As a client of these modules what's the best way to ...
cats does not provide ListT monad transformer so how could we rewrite the following snippet which uses scalaz ListT in a for-comprehension to a semant ...
As I understood, i can concat 2 Maps with this Monoid. But I cant understand, how to use it. What i have to put into (V: Monoid[V]) argument to use ...
I have spent a while searching on Google for a non-Cats triple equals method, but can't find anything apart from Scalaz. Unfortunately, I have been un ...
I would like to know how to convert a List[Try[T]] into Try[List[T]] in Scala? I have tried using an accumulator and folding right but it doesn't see ...
(1) I have a function returns EitherT as (2) I want to do the following transformation sequentially so that wait for each call to createData comple ...