undefinable

import { undefinable } from "https://github.gh-proxy.cn/raw.githubusercontent.com/baetheus/fun/main/comparable.ts";

Create a Comparable for undefined types.

@example

import { undefinable } from "./comparable.ts";
import * as N from "./number.ts";

const undefinableComparable = undefinable(N.ComparableNumber);
const result1 = undefinableComparable.compare(5)(5); // true
const result2 = undefinableComparable.compare(undefined)(undefined); // true
const result3 = undefinableComparable.compare(5)(undefined); // false

function undefinable<A>({ compare }: Comparable<A>): Comparable<A | undefined>;

undefinable<A>({ compare }: Comparable<A>): Comparable<A | undefined>

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§Type Parameters

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§Parameters

{ compare }: Comparable<A>

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§Return Type

Comparable<A | undefined>

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