Ben

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Ben has asked 13 questions and find answers to 434 problems.

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Ben questions

How can I apply an arbitrary function under an existential wrapper?
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?

Ben answers

Relationship between Haskell's 'forall' and '=>'
Haskell basic - pattern matching vs list tail
How can I use :~: to determine type equality in Haskell?
What is the trade-off between Lazy and Strict/Eager evaluation?
Express a "case ... of" pattern more elegantly in Haskell
Does Haskell have implicit pattern matching?
Why does a data structure with strict fields not get evaluated to WHNF immediatly?
A Map of Different Function Types in Scala
How to type function which takes arguments of a DataKind indexed type instantiated with different indices?
Would optional static typing benefit Python API-design or be a disadvantage? (type checking decorator example included)