sealed abstract class ContT[M[_], A, +B] extends Serializable
This is a continuation transformer based on the ContT in the Haskell package Control.Monad.Cont
This is reasonably straight-forward except that to make a tailRecM implementation we leverage the Defer type class to obtain stack-safety.
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- ContT.scala
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- final def flatMap[C](fn: (B) => ContT[M, A, C])(implicit M: Defer[M]): ContT[M, A, C]
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- final def map[C](fn: (B) => C)(implicit M: Defer[M]): ContT[M, A, C]
- final def mapCont(fn: (M[A]) => M[A]): ContT[M, A, B]
c.mapCont(f).run(g) == f(c.run(g))
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- final def withCont[C](fn: ((C) => M[A]) => (B) => M[A]): ContT[M, A, C]
cont.withCont(f).run(cb) == cont.run(f(cb))