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danclien/learning_haskell.md

Last active August 29, 2015 14:05
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skills_for_haskell.md

Tools

  • Cabal
    • Starting a new project
    • Sandboxes
      • Creating
      • Deleting
    • Adding dependencies
    • Installing dependencies
    • Adding one or more test suites
      • Unit tests
      • Property-based tests
      • Linting
      • Benchmarking
    • Adding modules
    • Creating libraries
    • Creating executables
    • Starting a REPL
    • Building the library/executable
    • Running the executables
    • Running tests
    • Adding GHC options
    • ~/.cabal vs ~/.ghc
    • ghc-pkg
  • GHC
    • Deferring type errors
    • Displaying Template Haskell generated code
    • Optimizations
    • Showing warnings
  • GHCi
    • Importing modules
    • Reloading code
    • Loading files
    • :type/:t
    • :info/:i
    • :kind/:k
    • Declaring functions
    • Declaring multiline functions
  • Hackage
    • Finding libraries
    • Reading documentation
  • Hoogle
    • Finding functions
  • Stackage

Basic Syntax

  • Type signatures
  • Calling functions
  • Defining functions
  • Pattern matching
  • Modules
  • $
  • if/then/else
  • let/in
  • where
  • case/of
  • data
    • Record syntax
    • deriving
  • !
  • type
  • newtype
    • Record syntax
    • deriving
  • do
    • let

Concepts

  • Equational reasoning
  • Parametricity
  • Value constructors
  • Type constructors
  • Sum types
  • Product types
  • Type classes
  • Type constraints
  • Type kinds
  • Currying
    • Function currying
    • Type currying
  • Functor
  • Applicative
  • Alternative
  • Monads
  • Semigroup
  • Monoid
  • Monad transformers
  • Free monads
  • Laziness

Types

  • Text
  • List
  • Maybe
  • Either
  • IO
  • Reader/ReaderT
  • ST

Libraries

  • hspec
    • hunit
    • QuickCheck
  • lens
  • validation
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