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Either<L, R> class

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Either<L, R> class abstract

Simple Either monad implementation

Implementers

Left
Right

Constructors

Either()

Properties

hashCode → int: The hash code for this object.
no setterinherited
isLeft → bool: Returns true if this is a Left, false otherwise.
no setter
isRight → bool: Returns true if this is a right, false otherwise.
no setter
left → LeftProjection<L, R>: Projects this Either as a Left
no setter
right → RightProjection<L, R>: Projects this Either as a Right
no setter
runtimeType → Type: A representation of the runtime type of the object.
no setterinherited

Methods

fold<Z>(Z onLeft(L), Z onRight(R)) → Z: Applies onLeft if this is a Left or onRight if this is a Right
noSuchMethod(Invocation invocation) → dynamic: Invoked when a nonexistent method or property is accessed.
inherited
swap() → Either<R, L>: If this is a Left, then return the left value in Right or vice versa.
toString() → String: A string representation of this object.
override

Operators

operator ==(Object other) → bool: The equality operator.
inherited

Static Methods

cond<L, R>(bool test, R rightValue, L leftValue) → Either<L, R>: If the condition is satify then return rightValue in Right else leftValue in Left