Attributes
Members list
Type members
Classlikes
Projects an Either into a Left.
Projects an Either into a Left.
Attributes
- See also
- Supertypes
Allows use of a merge method to extract values from Either instances regardless of whether they are Left or Right.
Allows use of a merge method to extract values from Either instances regardless of whether they are Left or Right.
val l = Left(List(1)): Either[List[Int], Vector[Int]]
val r = Right(Vector(1)): Either[List[Int], Vector[Int]]
l.merge: Seq[Int] // List(1)
r.merge: Seq[Int] // Vector(1)
Attributes
- Supertypes
Deprecated classlikes
Projects an Either into a Right.
Projects an Either into a Right.
Because Either is already right-biased, this class is not normally needed. (It is retained in the library for now for easy cross-compilation between Scala 2.11 and 2.12.)
Attributes
- Deprecated
-
[Since version 2.13.0]Either is now right-biased, calls to `right` should be removed - Supertypes
Value members
Concrete methods
If the condition is satisfied, return the given B in Right, otherwise, return the given A in Left.
If the condition is satisfied, return the given B in Right, otherwise, return the given A in Left.
val userInput: String = readLine()
Either.cond(
userInput.forall(_.isDigit) && userInput.size == 10,
PhoneNumber(userInput),
s"The input ($userInput) does not look like a phone number"
Attributes
Implicits
Implicits
Allows use of a merge method to extract values from Either instances regardless of whether they are Left or Right.
Allows use of a merge method to extract values from Either instances regardless of whether they are Left or Right.
val l = Left(List(1)): Either[List[Int], Vector[Int]]
val r = Right(Vector(1)): Either[List[Int], Vector[Int]]
l.merge: Seq[Int] // List(1)
r.merge: Seq[Int] // Vector(1)