Unapply

case

class Unapply(fun: Tree, implicits: List[Tree], patterns: List[Tree])(span: Span) extends Tree

extractor(patterns) in a pattern:

Value Params

fun: is extractor.unapply (or, for backwards compatibility, extractor.unapplySeq) possibly with type parameters
implicits: Any implicit parameters passed to the unapply after the selector
patterns: The argument patterns in the pattern match. It is typed with same type as first fun argument Given a match selector sel a pattern UnApply(fun, implicits, patterns) is roughly translated as follows val result = fun(sel)(implicits) if (result.isDefined) "match patterns against result"

trait Serializable

trait Product

trait Equals

class Tree

class Object

trait Matchable

class Any

Value members

The term type of this tree.

If this tree is not a term (e.g., it is a definition), its tpe is NoType.