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trait Evaluator extends AnyRef

Lambda calculus evaluator following Rose's \xgc, ie with explicit substitutions and garbage collection. See "Explicit Substitution - Tutorial and Survey", Kristoffer H. Rose, BRICS LS-96-3, October 1996.

Source
Lambda.scala
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  1. final def !=(arg0: Any): Boolean
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  2. final def ##(): Int
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  3. final def ==(arg0: Any): Boolean
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  6. final def eq(arg0: AnyRef): Boolean
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  8. def finalize(): Unit
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  9. def fv(t: Exp): Set[Idn]

    Free variables

  10. final def getClass(): Class[_]
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  11. def hashCode(): Int
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  12. final def isInstanceOf[T0]: Boolean
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  13. final def ne(arg0: AnyRef): Boolean
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  14. val normal: Strategy

    Normal-order reduction

  15. final def notify(): Unit
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  16. final def notifyAll(): Unit
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  17. final def synchronized[T0](arg0: ⇒ T0): T0
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  18. def toString(): String
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  19. final def wait(): Unit
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  20. final def wait(arg0: Long, arg1: Int): Unit
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  21. final def wait(arg0: Long): Unit
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  22. val xgc_reduction: Strategy

    \xgc-reduction

  23. object FreshVar extends Counter

    Fresh variable name generator.

    Fresh variable name generator. To keep things simple, we generate names of the form _vn where n is a unique number. These names are guaranteed not to occur in user programs, so we do not have to check for clashes.

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