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

meoyawn

package chat

import org.zeromq.ZMQ
import kotlin.concurrent.thread

fun main(args: Array<String>): Unit =
    ZMQ.context(1).use { ctx ->
      thread {
        ctx.socket(ZMQ.SUB).use { stream ->
          stream.connect(MESSAGE_STREAM)

densh

import scalanative.native._
import SDL._
import SDLExtra._

@extern
@link("SDL2")
object SDL {
  type Window   = CStruct0
  type Renderer = CStruct0

michael-simons

package so

import org.neo4j.ogm.annotation.GeneratedValue
import org.neo4j.ogm.annotation.Id
import org.neo4j.ogm.annotation.NodeEntity
import org.neo4j.ogm.annotation.Relationship
import org.neo4j.ogm.config.Configuration
import org.neo4j.ogm.session.SessionFactory

@NodeEntity