Future | /imports/tmonad.ts | gauntlet@v0.0.9

Module

x/gauntlet/imports/tmonad.ts>Future

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tommywalkie/gauntlet

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class Future

import { Future } from "https://deno.land/x/gauntlet@v0.0.9/imports/tmonad.ts";

Future

Constructors

new

Future(promise: Promise<T>)

Type Parameters

Properties

protected

_executor: () => Promise<Result<T, Error>>

Executor

protected

_promise: Promise<T>

Promise

Methods

extract(): Promise<T>

Get the value from the future (can throw)

flatMap(f: (val: T) => Future): Future

Flatmap

flatMapErr(f: (err: Error) => Future): Future

Flatmap on failure

flatMatch(matchObject: FlatMatch<T, U>): Future

FlatMatch

getOrElse<R>(defaultValue: R): Promise<T | R>

Get the value from the future, but if it's a failure, return the defaultValue

isFailure(): Promise<boolean>

Is a failure

isSuccess(): Promise<boolean>

Is a success

map(f: (val: T) => Promise): Future

Map

mapErr(f: (err: any) => Promise): Future

Map on error

match(matchObject: Match<T, U>): Future

Match

run(gen: Generator<Promise<T> | undefined, Promise, T>): Future

Run a series of futures into a generator

toOption(): Promise<Option<T>>

Transform into Option

toResult(): Promise<Result<T, Error>>

Transform into Result