Thanks Daniel, Better refactorability. > If you're using monadic style, changing from, say, > State Thing > to > StateT Thing OtherMonad > > or from > StateT Thing FirstMonad > to > StateT Thing SecondMonad > > typically requires only few changes. Explicit state-passing usually > requires more changes. >
So, performance gain (runtime/memory) is not a side effect of Monadic style right? > Yes. If you write to a mutable array, you really write to the memory > location without extra copying. > > How's this done? Can it be done in Haskell without FFI? -- Regards, Kashyap
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