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John L

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Top Questions
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85
What are arrows, and how can I use them?
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63
My cabal packages are FUBAR; how can I purge them and start over?
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52
Explanation of Monad laws
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50
Is there a function to flatten a nested list of elements?
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45
How to relate to type from outer context
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43
Let Haskell functors sink in.
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43
Why does adding a tilde in front of a pattern match slow my function down?
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42
the seq function and strictness
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41
fizzbuzz in haskell?
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41
What's so bad about Lazy I/O?
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40
Haskell Constraint is no smaller than the instance head
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38
Difference between State, ST, IORef, and MVar
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37
Compilers for Haskell
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35
Building with runtime flags using cabal and ghc
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34
Goto in Haskell: Can anyone explain this seemingly insane effect of continuation monad usage?
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31
In Haskell, why isn't there a TypeClass for things that can act like lists?
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31
export from module
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29
Why are Haskell Maps implemented as balanced binary trees instead of traditional hashtables?
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29
How do I write, "if typeclass a, then a is also an instance of b by this definition."
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29
Haskell operator vs function precedence
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28
Applying multiple functions to the same value point-free style in Haskell
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27
foldl is tail recursive, so how come foldr runs faster than foldl?
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27
What is the difference between different orderings of the same monad transformers?
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26
Interchange structured data between Haskell and C
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26
Text or Bytestring
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26
Is there ever a good reason to use unsafePerformIO?
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25
How to write without Do notation
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23
efficiently checking that all the elements of a (big) list are the same
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23
What's the status of current Functional Reactive Programming implementations?
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21
Mutability in functional programming
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