A quick introduction to the Haskell programming language.

Online at https://scarvalhojr.github.io/tasteofhaskell

• Getting Started with Stack
• Part 1
  • Haskell's main features
  • Values and functions
  • Built-in types, function types, type inference
  • Operators
  • Lists, lazy evaluation, tuples
  • Hoogle
  • slides
  • exercises
• Part 2
  • Polymorphic types, typeclass constraints
  • Built-in typeclasses, type inference
  • Currying, high-order functions
  • Processing lists
  • Defining functions, conditional expressions, guards
  • Pattern matching, where declarations, let expressions
  • Lambda expressions
  • slides
  • exercises
• Part 3
  • Imports and comments
  • Function application and the $ operator
  • Function composition operator, pointfree style
  • List comprehension, recursive functions
  • Folds
  • Type, data declarations
  • Recursive types
  • Instance declarations and derived instances
  • slides
  • exercises

Suggested materials for further learning:

• Haskell Programming From First Principles
• Programming in Haskell, Second Edition
• Data61 Functional Programming Course (free)
• Many others in haskell.org

• Many examples were borrowed from Programming in Haskell and Haskell Programming From First Principles
• Slides created with Reveal.js
• Exercise pages created with Strapdown.js