Skip to main content
Module

x/fun/mod.ts>option.some

A collection of algebraic data types, lenses, and schemables based on a light weight higher kinded type implementation. Written for deno.
baetheus/fun
Latest
function option.some
import { option } from "https://deno.land/x/fun@v2.0.0/mod.ts";
const { some } = option;

The some constructer takes any value and wraps it in the Some type.

Examples

Example 1

import type { Option } from "./option.ts";
import * as O from "./option.ts";

function fromNilable<A>(a: A | null | undefined): Option<A> {
  return a === null || a === undefined ? O.none : O.some(a);
}

const result1 = fromNilable(null); // None
const result2 = fromNilable(1); // Some<number>