effect-io-ai

Package: effect
Module: Predicate

Predicate.xor

Creates a predicate that returns true if exactly one predicate is true.

When to use

Use when you want to combine two Predicates with exclusive-or semantics.

Details

Returns true when results differ.

Example (Checking exclusive-or conditions)

import { Predicate } from "effect"

const isEven = (n: number) => n % 2 === 0
const isPositive = (n: number) => n > 0
const either = Predicate.xor(isEven, isPositive)

console.log(either(-2))

See

• or
• and

Signature

declare const xor: { <A>(that: Predicate<A>): (self: Predicate<A>) => Predicate<A>; <A>(self: Predicate<A>, that: Predicate<A>): Predicate<A>; }

Source

Since v2.0.0