Mario Galic

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Mario Galic has asked 51 questions and find answers to 297 problems.

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Mario Galic questions

Automatic derivation of codecs for structural types
Covariant type A accepted in contravariant position of function argument A => B
Pattern for mapping with identity and applying a side-effect
Implementing value equality of functions
Initialisation order throws null pointer on lazy val access
Why is import cats.implicits._ no longer necessary for importing type class instances?
Composing PartialFunctions with orElse when there is a wildcard case
ConcurrentHashMap[String, AtomicInteger] or ConcurrentHashMap[String, Int] for thread-safe counters?
Quickly switching Scala versions from CLI
Replace scalaz ListT with semantically equivalent cats functionality

Mario Galic answers

Why method is parameterized while type parameter is never used?
Why does the circe `or` function (an apparently unary function) work with reduceLeft which requires a binary op?
IntelliJ Build does not execute sbt 'compile' dependencies
What is the meaning of the word "case" in scala's "case class"?
Why do I get different results when using a List than using a Tuple?
What is `F` in `F[_]: Sync` and where does it come from?
Scala compilation error: Required: Future[S_] Found: String
How to apply common test configuration to all projects?
preserve existing code for arbitrary scalafmt settings
How does Scala resolve generic types automatically?