path to fp - currying

one.scala

// base function
def add(a: Int, b: Int): Int = a + b

// curried form
def addCurried(a: Int)(b: Int): Int = a + b

/**
 * In scala functions have the method `curried`
 */
val addCurriedTwo = (add _).curried

println(addCurriedTwo(1)(1)) // 2

two.scala

val min: Int => Int => Int = x => y => if (x <= y) x else y