ikhoon

Learning Materials for generic & dependent programming using shapeless

Official

• Shapeless wiki

Book

• The Type Astronaut’s Guide

Workshop

• Shapeless for mortals

ikhoon

// https://twitter.github.io/scala_school/type-basics.html
// 트위터 스칼라 스쿨에 나오는 자료구조를 활용해보겠다.

class Animal { val sound = "rustle" }
class Bird extends Animal { override val sound = "call" }
class Chicken extends Bird { override val sound = "cluck" }
class Duck extends Bird { override val sound = "duck" }

def foo(tweet: Bird => String) = {
  tweet(new Bird)

ikhoon

object TwiiterScalaFutureOps {

  import TwitterScalaFutureConverters._
  implicit class ScalaToTwitterFuture[T](f: Future[T]) {
    def toTwitterFuture: twitter.Future[T] = scalaToTwitterFuture(f)
  }

  implicit class TwitterToScalaFuture[T](f: twitter.Future[T]) {
    def toScalaFuture: Future[T] = twitterToScalaFuture(f)
  }

ikhoon

스칼라 컨퍼런스 2017

• 아카 리더, 할리 지인 Konrad의 "The best is yet to come - State of Akka in 2017" http://event.scaladays.org/scaladays-cph-2017#!#schedulePopupExtras-8119

• 스칼라 매스크로 창시자, Eugene의 "Building code analysis tools at Twitter" http://event.scaladays.org/scaladays-cph-2017#!#schedulePopupExtras-8130

• 스칼라 컴파일시간 줄일수 있는 팁을 준다함 http://event.scaladays.org/scaladays-cph-2017#!#schedulePopupExtras-8141

ikhoon

Links on Must watch talks

• A Year living Freely - Chris Myers

  http://youtu.be/rK53C-xyPWw

• Programs as Values Pure Composable Database Access in Scala. In general each talk from Rob Norris is very useful for learning.

  https://m.youtube.com/watch?v=XHiTK4UOIf0

ikhoon

import org.junit.Test;

import java.time.Instant;
import java.time.OffsetDateTime;
import java.time.ZonedDateTime;
import java.time.format.DateTimeParseException;


public class Java8TimeTest {
    private String instantFormat = "2007-12-03T10:14:30.000Z";