Type Alias NegativeFiniteNumber

NegativeFiniteNumber: IntersectBrand<NegativeNumber, FiniteNumber>

Branded numeric type for finite negative numbers. Represents finite values strictly less than zero.

Example

const isNegativeFinite = (x: number): x is NegativeFiniteNumber =>
  Number.isFinite(x) && x < 0;

const temperature = (celsius: NegativeFiniteNumber) => ({
  celsius,
  freezing: true,
});