trait Interface extends TreeDSL
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trait
MatchMonadInterface extends AnyRef
Interface with user-defined match monad? if there's a
__matchin scope, we use this as the match strategy, assuming it conforms to MatchStrategy as defined below:Interface with user-defined match monad? if there's a
__matchin scope, we use this as the match strategy, assuming it conforms to MatchStrategy as defined below:type Matcher[P[_], M[+_], A] = { def flatMap[B](f: P[A] => M[B]): M[B] def orElse[B >: A](alternative: => M[B]): M[B] } abstract class MatchStrategy[P[_], M[+_]] { // runs the matcher on the given input def runOrElse[T, U](in: P[T])(matcher: P[T] => M[U]): P[U] def zero: M[Nothing] def one[T](x: P[T]): M[T] def guard[T](cond: P[Boolean], then: => P[T]): M[T] }
P and M are derived from one's signature (
def one[T](x: P[T]): M[T])if no
__matchis found, we assume the following implementation (and generate optimized code accordingly)object __match extends MatchStrategy[({type Id[x] = x})#Id, Option] { def zero = None def one[T](x: T) = Some(x) // NOTE: guard's return type must be of the shape M[T], where M is the monad in which the pattern match should be interpreted def guard[T](cond: Boolean, then: => T): Option[T] = if(cond) Some(then) else None def runOrElse[T, U](x: T)(f: T => Option[U]): U = f(x) getOrElse (throw new MatchError(x)) }
- trait TypedSubstitution extends MatchMonadInterface
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final
def
!=(arg0: Any): Boolean
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final
def
##(): Int
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final
def
==(arg0: Any): Boolean
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asInstanceOf[T0]: T0
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clone(): AnyRef
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def
dealiasWiden(tp: Global.Type): Global.Type
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- def ensuring(cond: (Interface) ⇒ Boolean, msg: ⇒ Any): Interface
- def ensuring(cond: (Interface) ⇒ Boolean): Interface
- def ensuring(cond: Boolean, msg: ⇒ Any): Interface
- def ensuring(cond: Boolean): Interface
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final
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eq(arg0: AnyRef): Boolean
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getClass(): Class[_]
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wait(arg0: Long): Unit
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- object vpmName
The Scala compiler and reflection APIs.