isSome | /src/option.ts | ahh@v0.13.0

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Opinionated idiomatic features for TypeScript.

function isSome

import { isSome } from "https://deno.land/x/ahh@v0.13.0/src/option.ts";

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

Returns whether option is a Some value.

Examples

Example 1

import { assert } from "../test_deps.ts";
import O from "./option.ts";

assert(O.isSome(0));
assert(O.isSome(2));