scala-workshop.md

Scala Workshop 2019

Basic? Scala

• Scala Exercises
• Functional Programming in Scala | Coursera
• Function
• Partial function
• Curry
• HOF
• for expression
• Future,
• Value class
• Type Parameter vs Type member
  • https://www.artima.com/weblogs/viewpost.jsp?thread=270195
  • https://youtu.be/R8GksuRw3VI
• Variance? Co-Variance?
  • 시작부터 여기에 빠지지 말자 당장은 중하지 않다.
• Implicits
  • class, object, method, variable, method parameter
  • Scope
• Scala Collection
  • Mutable and Immutable Collections | Scala Documentation
• Scala Best Practices | Github
• Jargon from the functional programming world | Github

Advanced Scala

• Advanced Scala in Scala Conference
• Type Type Type
  • Why Type?
  • 우리에겐 타입이 왜 필요한가?
  • 기존에 코드로 표현하지 못하는것을 타입으로 정적으로 표현할수 있다.
• Scala’s Types of Types
  • Higher Kind Type
  • Type Linearization
• Partial Unification?
  • Explaining Miles’s Magic
• Type Lambda
  • GitHub - non/kind-projector: Compiler plugin for making type lambdas (type projections) easier to write
  • Either[Int, ?]
• Scala Documentation
• Type classes in Scala | Scalac
  • interface
  • instance
  • syntax
• Context Bound
• Class Tag
  • 조금 과한가?
• Algebra
  • 이게 뭐당가?
  • https://danielwestheide.com/blog/2013/02/13/the-neophytes-guide-to-scala-part-13-path-dependent-types.html
• ADT
  • Introduction to Algebraic Types in Scala | Tpolecat
  • Algebraic Data Types in Scala | alvinalexander.com
• Dependent type

Enterprise scala

• Mission
  • want fp
  • pursue pure fp but not always
• Projects
  • durian
  • c1
• Protocols
  • Graphql
    • Sangria
  • Thrift
    • Scrooge
  • Rest
    • Play
    • Finch
    • Finagle & Finatra
    • Http4s?
• Filter
• DI
  • Guice
  • Macwire
  • Implicit
  • Manual
• Zipkin Tracing
• Client Load balancer
• Batch Job
  • Streaming
  • Simple App
  • Reuse existing code
• Worker
• DB libraries
  • Pros and cons
  • Doobie
  • Slick
  • Quill
• Json libraries
  • Pros and cons
  • play-json
  • circe
  • Jackson scala module

FP in scala

• Monad transformer
  • 실습
• Future & Promise
  • Composition
  • Blocking IO
• Cats
  • traverse
  • mapN
  • tupled
  • cats.implicits._
• The Typeclassopedia
• 타입 클래스 만드는것 보단 개념보단 실제
• libraries
  • Chimney
  • Pureconfig
  • Scalacheck
  • FS2
  • sttp
  • http4s
  • Cartbird
  • Monix
  • cats-effect
  • Twitter OSS