xdash • Readme | API

---

xdash / xor

Function: xor()

xor<Args>(…fns): (…args) => boolean

XOR operator for functions.

Type parameters

• Args extends readonly unknown[]

Parameters

• …fns: (…args) => boolean[]

functions to combine

Returns

Function

a function that returns true if exactly one of the input functions returns true

Parameters

• …args: Args

Returns

boolean

Example

const isEven = (n: number) => n % 2 === 0
const isPositive = (n: number) => n > 0
const isPositiveXorEven = xor(isEven, isPositive)
isPositiveXorEven(2) // returns false
isPositiveXorEven(3) // returns true
isPositiveXorEven(4) // returns false

Source

fn-ops.ts:89