non

package mark

import spire.math.{ Rational => Q }

object Solver2 {

  case class Op(name: String, run: (Q, Q) => Option[Q])

  val ops: List[Op] = List(
    Op("+", (x, y) => Some(x + y)),

jdegoes

Applied Functional Programming with Scala - Notes

Copyright © 2016-2018 Fantasyland Institute of Learning. All rights reserved.

1. Mastering Functions

A function is a mapping from one set, called a domain, to another set, called the codomain. A function associates every element in the domain with exactly one element in the codomain. In Scala, both domain and codomain are types.

val square : Int => Int = x => x * x