Daniel Wagner

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Daniel Wagner has asked 24 questions and find answers to 1100 problems.

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Daniel Wagner questions

Can I compute a type's cardinality generically?
Why is a namespace-qualified name available as a candidate?
Why isn't this a dangling pointer?
segfault when trying to keep main loop busy
References to $RANDOM in subshells all returning identical values
adding ghci's inferred type signature causes an error
typeclass challenge: having both variadic arguments and results
changing how Setup.hs is built
How can I use contradictory evidence?
Why does this function seem to hide its embedded exception?

Daniel Wagner answers

How to define a custom type error within a type family for a constraint that uses type equality?
Move through list and keep state
Why an a -> b -> c function argument can accept a -> a type?
Extending types in a backward compatible way?
Can we always use <$> in Haskell to define functions "point free"?
Use of !! in memoization
Pattern-matching syntax not Constructor application syntax
In Haskell, what is the result of a infinite multiplication of 1 by itself?
Is it possible to reduce a fraction to the lowest form in a single recursive pass, using no auxiliary functions other than is_zero, succ and pred?
Capturing typeclass dictionaries