Ben

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Ben has asked 12 questions and find answers to 417 problems.

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Ben questions

Can you partially constrain a type in Haskell?
How do I find out why cabal chooses an old version of a library?
With IxSet, can I build an Indexable wrapper around an arbitrary Indexable type?
Haskell constructor aliases
Will an empty SQLite cursor return true for isBeforeFirst, isAfterLast, both, or neither?
Clustering 2d integer coordinates into sets of at most N points
onSaveInstanceState/onPause - wait until state is fully saved before allowing process to be killed
Does Scala have record update syntax for making modified clones of immutable data structures?
How can I get a hash of an entire table in postgresql?
Is there YAML syntax for sharing part of a list or map?

Ben answers

Why doesn't subtyping via existentials and constraints work?
How does functional programming avoid state when it seems unavoidable?
How does Haskell understand this function? Weird behavior
haskell type family result not matching
Getting type error when calling a polymorphic function on two different types in a do block
Sharing data in Haskell
Why does Enum require to implement toEnum and fromEnum, if that's not enough for types larger than Int?
Is there a way to tell Haskell runtime to use memoization for functions with approximately the same inputs?
Type signature confusion
Haskell: Get caller function name