Jasper-M questions

Jasper-M answers

• scala pattern matching for comprehension
• Use implicits to infer an unknown type
• Scala DSL: invocation that mimics English
• Friend access in Scala
• Why can't Option.fold be used tail recursively in Scala?
• In Scala, how to summon a polymorphic function applicable to an input type, without knowing the output type or full type arguments?
• How does Scala's type erasure work for higher kinded type parameters?
• Detect case class in scala macro
• Add element to a Set from the Left (for readability)
• which is faster spark.sql or df.filter("").select("") . using scala