Function xor

xor<Args>(...fns): ((...args) => boolean)
XOR operator for functions.
Type Parameters
- Args extends readonly unknown[]
Parameters
- Rest ...fns: ((...args) => boolean)[]
  functions to combine
Returns ((...args) => boolean)
a function that returns true if exactly one of the input functions returns true
- - (...args): boolean
  - Parameters
    - Rest ...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
```
- Defined in fn-ops.ts:89

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