RightProjection
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
- true
- Source
- Either.scala
- Graph
-
- Supertypes
Members list
Value members
Concrete methods
Returns false if Left or returns the result of the application of the given function to the Right value.
Returns false if Left or returns the result of the application of the given function to the Right value.
Right(12).right.exists(_ > 10) // true
Right(7).right.exists(_ > 10) // false
Left(12).right.exists(_ > 10) // false
Attributes
- Source
- Either.scala
Returns None if this is a Left or if the given predicate p does not hold for the right value, otherwise, returns a Right.
Returns None if this is a Left or if the given predicate p does not hold for the right value, otherwise, returns a Right.
Right(12).right.filterToOption(_ > 10) // Some(Right(12))
Right(7).right.filterToOption(_ > 10) // None
Left(12).right.filterToOption(_ > 10) // None
Attributes
- Source
- Either.scala
Binds the given function across Right.
Binds the given function across Right.
Value parameters
- f
-
The function to bind across
Right.
Attributes
- Source
- Either.scala
Returns true if Left or returns the result of the application of the given function to the Right value.
Returns true if Left or returns the result of the application of the given function to the Right value.
Right(12).right.forall(_ > 10) // true
Right(7).right.forall(_ > 10) // false
Left(12).right.forall(_ > 10) // true
Attributes
- Source
- Either.scala
Executes the given side-effecting function if this is a Right.
Executes the given side-effecting function if this is a Right.
Right(12).right.foreach(x => println(x)) // prints "12"
Left(12).right.foreach(x => println(x)) // doesn't print
Value parameters
- f
-
The side-effecting function to execute.
Attributes
- Source
- Either.scala
Returns the value from this Right or the given argument if this is a Left.
Returns the value from this Right or the given argument if this is a Left.
Right(12).right.getOrElse(17) // 12
Left(12).right.getOrElse(17) // 17
Attributes
- Source
- Either.scala
The given function is applied if this is a Right.
The given function is applied if this is a Right.
Right(12).right.map(x => "flower") // Result: Right("flower")
Left(12).right.map(x => "flower") // Result: Left(12)
Attributes
- Source
- Either.scala
Returns a Some containing the Right value if it exists or a None if this is a Left.
Returns a Some containing the Right value if it exists or a None if this is a Left.
Right(12).right.toOption // Some(12)
Left(12).right.toOption // None
Attributes
- Source
- Either.scala
Returns a Seq containing the Right value if it exists or an empty Seq if this is a Left.
Returns a Seq containing the Right value if it exists or an empty Seq if this is a Left.
Right(12).right.toSeq // Seq(12)
Left(12).right.toSeq // Seq()
Attributes
- Source
- Either.scala
Deprecated methods
Returns None if this is a Left or if the given predicate p does not hold for the right value, otherwise, returns a Right.
Returns None if this is a Left or if the given predicate p does not hold for the right value, otherwise, returns a Right.
Right(12).right.filter(_ > 10) // Some(Right(12))
Right(7).right.filter(_ > 10) // None
Left(12).right.filter(_ > 10) // None
Attributes
- Deprecated
- true
- Source
- Either.scala
Returns the value from this Right or throws NoSuchElementException if this is a Left.
Returns the value from this Right or throws NoSuchElementException if this is a Left.
Right(12).right.get // 12
Left(12).right.get // NoSuchElementException
Attributes
- Throws
-
NoSuchElementException if the projection is
Left. - Deprecated
- true
- Source
- Either.scala
Inherited methods
An iterator over the names of all the elements of this product.
An iterator over the names of all the elements of this product.
Attributes
- Inherited from:
- Product
- Source
- Product.scala
An iterator over all the elements of this product.
An iterator over all the elements of this product.
Attributes
- Returns
-
in the default implementation, an
Iterator[Any] - Inherited from:
- Product
- Source
- Product.scala