# Difference between revisions of "User:WillNess"

From HaskellWiki

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I am a newbie, interested in Haskell. |
I am a newbie, interested in Haskell. |
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+ | I like ''this'': |
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+ | |||

+ | <haskell> |
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+ | primes = 2 : 3 : ([5,7..] `minus` |
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+ | foldi (\x:xs -> (x:) . union xs) |
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+ | [[p*p,p*p+2*p..] | p <- tail primes]) |
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+ | </haskell> |
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+ | |||

+ | <code>foldi</code> is on [[Fold#Tree-like_folds|Tree-like folds]]. More at [[Prime numbers]]. |

## Revision as of 14:36, 23 June 2011

I am a newbie, interested in Haskell.

I like *this*:

```
primes = 2 : 3 : ([5,7..] `minus`
foldi (\x:xs -> (x:) . union xs)
[[p*p,p*p+2*p..] | p <- tail primes])
```

`foldi`

is on Tree-like folds. More at Prime numbers.