edu.umass.cs.cs691f

Unification

object Unification

A generic unification algorithm.

In the same manner as Subst, this unification algorithm recurs into tuples, case classes, and product types. It treats objects that extend HasSym as logic variables. For the returned substitution, the following identity holds:

unify(e1, e2)(e1) == unify(e1, e2)(e2)
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  1. final def !=(arg0: AnyRef): Boolean

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  3. final def ##(): Int

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  4. final def ==(arg0: AnyRef): Boolean

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  8. final def eq(arg0: AnyRef): Boolean

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  10. def finalize(): Unit

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  11. final def getClass(): Class[_]

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  15. final def notify(): 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. def unify(lhs: Any, rhs: Any): Option[Subst]

    Returns a substitution that unifies lhs and rhs.

  20. def unifyRec(subst: Subst, pair: (Any, Any)): Subst

  21. final def wait(): Unit

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  22. final def wait(arg0: Long, arg1: Int): Unit

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  23. final def wait(arg0: Long): Unit

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