Either: Either monad implementation.

In schnecki/rhaskell: R-Haskell

Either monad implementation.

Description

Either monad implementation.

Either monad implementation.

Super classes

rhaskell::Functor -> rhaskell::Applicative -> rhaskell::Monad -> Either

Methods

Public methods

• Either$new()

• Either$fmap()

• Either$pure()

• Either$apply()

• Either$bind()

• Either$fromLeft()

• Either$fromRight()

• Either$either()

• Either$fromRightOrStop()

• Either$clone()

Inherited methods

• rhaskell::Applicative$alt()

• rhaskell::Applicative$empty()

---

Method new()

Usage

Either$new(mValue = NULL, isRight = TRUE)

Arguments

mValue

value.

Bind function

---

Method fmap()

Usage

Either$fmap(fun)

---

Method pure()

Usage

Either$pure(x)

---

Method apply()

Usage

Either$apply(x)

---

Method bind()

Usage

Either$bind(fun)

Arguments

fun

function to apply if it is a Right value

bind :: (b -> c) -> Either a b (=self) -> Either a c Unwrap a Left value with default.

---

Method fromLeft()

Usage

Either$fromLeft(def)

Arguments

def

default value

fromLeft :: a -> Either a b (=self) -> a Unwrap a Right value with default.

---

Method fromRight()

Usage

Either$fromRight(def)

Arguments

def

default value

fromRight :: b -> Either a b (=self) -> b Unwrap an Either from Left or Right with corresponding specified functions.

---

Method either()

Usage

Either$either(f, g)

Arguments

f

function to apply in case of Left value

g

function to apply in case of Right value

either :: (a -> c) -> (b -> c) -> Either a b (=self) -> c Unwrap Right value or call stop() on Left value.

fromRightOrStop :: Either Character b (=self) -> b Check if a Either is of type Right.

isRight :: Either a b (=self) -> Bool Check if a Either is of type Left.

isLeft :: Either a b (=self) -> Bool

---

Method fromRightOrStop()

Usage

Either$fromRightOrStop()

---

Method clone()

The objects of this class are cloneable with this method.

Usage

Either$clone(deep = FALSE)

Arguments

deep

Whether to make a deep clone.

schnecki/rhaskell documentation built on Oct. 30, 2022, 10:23 a.m.