Daniel Wagner

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Daniel Wagner has asked 24 questions and find answers to 1114 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

When should TypeApplications be preferred over simple :: signatures or ScopedTypeVariables?
haskell System.Process.createProcess redirect stdout and stderr
How to make "1 2 3" a valid expression in a Haskell REPL environment?
Lost polymorphism while assigning function to a variable inside a monad
MonadReader without functional dependency
How to compose functions operating with ReaderT and Either?
Graphical transformation handles in Haskell
In Haskell can you have functions that return nothing?
cabal install complains no acceptable C compiler found
A more idiomatic way to write this Haskell LCM function