O | /src/option/mod.ts | ahh@v0.10.1

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Idiomatic type-safety functions.

method O.unwrap

import { O } from "https://deno.land/x/ahh@v0.10.1/src/option/mod.ts";

unwrap<T>(opt: Option<T>): opt extends Some<T> ? T : never

Returns opt if it is a Some, or throws.

Examples

import { O, None } from "./mod.ts";

console.log(O.unwrap(1)); // 1
O.unwrap(None); // throws