import {Monad} from 'monad-ts/src/monad.js'

public class | source

Monad

Class Monad - Base abstract class.

Method Summary

Public Methods
public abstract	bind(f: MF<T, U>\|D<T>, v: *): Promise<U> \| Pr<U> \| Error \| boolean \| void Binds transformation function and underlying value to the monad.

Protected Methods
protected	fail(e: Error \| string): Error Takes Error or string return Error.
protected	just(f: function(v: T), v: T): Pr<U> Produces result after execution f(v).

Binds transformation function and underlying value to the monad.

Promise | Pr | Error | boolean | void

Takes Error or string return Error.

Name	Type	Attribute	Description
e	Error \| string		Error obj. or string.

Produces result after execution f(v).

Name	Type	Attribute	Description
f	function(v: T)		transformation function for a monad.
v	T		underlying value.

Pr

extracts transformed value by f(v).