A Haskell Language Introduction, 2009-6-13 Beijing Python CPUG Meeting

1. Haskell
by Albert Lee
(hanzhupeng@gmail.com)

2. Agenda
“ ”
What is Haskell
Real World Haskell
Live Show
Go on

3. Another New Lang
……
——
—— Martin Fowler
——

4. What is Haskell
History
Key words

5. What is Haskell
History
lambda calculus (Alonzo Church)
(1958 (Lisp (John McCarthy)))
1970s ML (Robin Milner) Clean, Miranda
1980s Haskell Committee
1998 Haskell 98

6. What is Haskell
Key Words
! Pure functions
! Non-strict evaluation
! Immutable data
! Static, strong typing

7. Real World Haskell
Good News:
Bad News:
……
Jolt Winner:
* Real World Haskell by Bryan O'Sullivan, John Goerzen and Don Stewart (O'Reilly
Media)

8. Awesome !
XMonad
Pugs ( )
Parsec
STM

9. Live Show
GHC
Hierarchical Libraries
Hoogle & Hayoo
Play some code

10. GHCi/GHC
functions
map/fold/filter
curry
types
list (take,drop, zip, [1..] [x * y | x <- ....])

11. GHC
IO
Module
quicksort

12. Go on……
Type
Typeclass
Monad
Monad Transformer
Parsec
Concurrent & Multicore Programming
STM