Agenda

• Intro
• Problem specification (solution FP with Spring)
  • fp/spring
• Intro to Scala
  • test/fp/basics
  • test/fp/typeclasses/MaybeSpec
• Get to know your Typeclasses
  • fp/typeclasses/
    • ShowSpec
    • EqSpec
    • CsvEncoderSpec
• FP patterns
  • fp/typeclasses/

Basic scala

(types.scala)

• Product, Coproduct
• ADT (algebraic data types)
• forcomprehension = flatMap + map
• Universal types
• implicit parameters
• implicit classes

Functions

(functions.scala)

• Function composition
• Polimorphic functions
• Identity function

Typeclasses

(typeclasses.scala)

• Adhoc polimorphism
• map, flatMap

Functional patterns

(patterns.scala)

• Monoid
• Functor
• Applicative
• Monad

Generic programming

• Use of typeclasses for the greater good :)
• Introduction into generic programming
• Singleton type
• Symbols
• CSV generator
• Diff

Java - Scala Cheatsheet

Scala Cheatsheet

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