isSome | /src/option.ts | ahh@v0.12.1

Opinionated idiomatic features for TypeScript.

function isSome

import { isSome } from "https://deno.land/x/ahh@v0.12.1/src/option.ts";

isSome<T>(option: Option<T>): option is Some<T>

Returns whether option is a Some.

Examples

Example 1

import { default as O, Option } from "./option.ts";

const num: Option<number> = 8;

if (O.isSome(num)) {
  console.log(num * 2);
}