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scala.collection.`package`.+:

object +:

An extractor used to head/tail deconstruct sequences.

Attributes

Source

package.scala

Graph

Supertypes

class Object

trait Matchable

class Any

Self type

+:.type

Members list

Value members

Concrete methods

def unapply[A, CC <: (Seq), C <: SeqOps[A, CC, LazyRef(...)]](t: C & SeqOps[A, CC, C]): Option[(A, C)]

Splits a sequence into head +: tail.

Splits a sequence into head +: tail.

Attributes

Returns

Some((head, tail)) if sequence is non-empty. None otherwise.

Source

package.scala