User:Lenny222/Haskell explained to the busy
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You have heard about Haskell but don't have the time to find out what it is?
I hope this page is for you.
Introduction
| Question | Answer |
|---|---|
| What is Haskell? | TODO |
| Why the name "Haskell"? | Haskell is named after the American mathematician Haskell Curry |
Basics
| Question | Answer |
|---|---|
| What is the meaning of the dollar sign "$"? | "$" is a way to avoid typing too many brackets.
For example: foo x = h (g (f x))
is the same as foo x = h $ g $ f x
|
| What is point-free style? | Point-free style is a way to define functions solely as a composition of other functions, leaving arguments in the definition out.
For example: takeFive x = take 5 x
is the same as takeFive = take 5
in point-free style. |
| What is the meaning of the dot "."? | "." is used to compose functions in point-free style, similar to "$".
For example: foo x = h $ g $ f x
is the same as foo = h . g . f
|
Advanced
| Question | Answer |
|---|---|
| What is a Monad? | TODO |
| What is the meaning of "forall"? | TODO |