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t

scala.util.parsing.combinator

ImplicitConversions

trait ImplicitConversions extends AnyRef

This object contains implicit conversions that come in handy when using the ^^ combinator.

Refer to scala.util.parsing.combinator.Parsers to construct an AST from the concrete syntax.

The reason for this is that the sequential composition combinator (~) combines its constituents into a ~. When several ~s are combined, this results in nested ~s (to the left). The flatten* coercions makes it easy to apply an n-argument function to a nested ~ of depth n-1

The headOptionTailToFunList converts a function that takes a List[A] to a function that accepts a ~[A, Option[List[A]]] (this happens when parsing something of the following shape: p ~ opt("." ~ repsep(p, ".")) -- where p is a parser that yields an A).

Self Type
ImplicitConversions with Parsers
Source
ImplicitConversions.scala
Linear Supertypes
AnyRef, Any
Known Subclasses
JSON, Lexer, Parser
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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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  4. final def asInstanceOf[T0]: T0
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  5. def clone(): AnyRef
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  6. final def eq(arg0: AnyRef): Boolean
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  8. def finalize(): Unit
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  9. implicit def flatten2[A, B, C](f: (A, B) ⇒ C): ((ImplicitConversions.this)#~[A, B]) ⇒ C
  10. implicit def flatten3[A, B, C, D](f: (A, B, C) ⇒ D): ((ImplicitConversions.this)#~[(ImplicitConversions.this)#~[A, B], C]) ⇒ D
  11. implicit def flatten4[A, B, C, D, E](f: (A, B, C, D) ⇒ E): ((ImplicitConversions.this)#~[(ImplicitConversions.this)#~[(ImplicitConversions.this)#~[A, B], C], D]) ⇒ E
  12. implicit def flatten5[A, B, C, D, E, F](f: (A, B, C, D, E) ⇒ F): ((ImplicitConversions.this)#~[(ImplicitConversions.this)#~[(ImplicitConversions.this)#~[(ImplicitConversions.this)#~[A, B], C], D], E]) ⇒ F
  13. final def getClass(): Class[_]
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  14. def hashCode(): Int
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  15. implicit def headOptionTailToFunList[A, T](f: (List[A]) ⇒ T): ((ImplicitConversions.this)#~[A, Option[List[A]]]) ⇒ T
  16. final def isInstanceOf[T0]: Boolean
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  17. final def ne(arg0: AnyRef): Boolean
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  18. final def notify(): Unit
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  21. def toString(): String
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