Functional Programming Notes

Topics

• Semi-groups
• Monoids
• Functors
• Function Modeling
  • Reader Monad
  • Endo Functor
  • contramap
  • Mondad Transformers
  • Free Monad
  • Lenses

Semigroups & Monoids

• closed = working on certain data type that doesn't change
• associative
• identity
• semigroup = associative and closed
• monoid = semigroup with identity
• functor: semigroup that applies a function inside without changing the structure of the type

Function Modeling

• Reader Monad
• Endo Functor
• contramap
• Mondad Transformers
• Free Monad
• Lenses

Definitions

• Monoid
• foldMap
• Monad

Resources

• GitHub - FrontendMasters/hardcore-functional-architecture
• Introduction · mostly-adequate-guide
• Learn functional programming patterns to architect real-world JavaScript programs with Brian Lonsdorf.
• GitHub - stoeffel/awesome-fp-js: A curated list of awesome functional programming stuff in js
• GitHub - fantasyland/fantasy-land: Specification for interoperability of common algebraic structures in JavaScript