effect-io-ai

Package: effect
Module: Number

Number.sign

Determines the sign of a given number.

When to use

Use to classify a number as negative, zero, or positive.

Example (Determining the sign)

import { Number } from "effect"
import * as assert from "node:assert"

assert.deepStrictEqual(Number.sign(-5), -1)
assert.deepStrictEqual(Number.sign(0), 0)
assert.deepStrictEqual(Number.sign(5), 1)

Signature

declare const sign: (n: number) => Ordering

Source

Since v2.0.0