Creating infix operators in Scala

Question

I am trying to translate some of my Haskell code into Scala and I am having difficulty with creating infix operators.

In Haskell say I have this infix operator defin

Answer 1

You can define implicit class

implicit class Iff(val b: Boolean) extends AnyVal {
  def <=>(that: Boolean) = this.b == that
}

and now you can call it without using new :

true <=> false // false
false <=> true // false
true <=> true  // true