Variable isNonNegativeFiniteNumber`Const`

isNonNegativeFiniteNumber: (a: number) => a is NonNegativeFiniteNumber = is

Type guard that checks if a value is a non-negative finite number.

Returns true only for a finite value — never NaN, Infinity, or -Infinity.

Type Declaration

- (a: number): a is NonNegativeFiniteNumber
- Parameters
  - a: number
  Returns a is NonNegativeFiniteNumber
  true if the value is a non-negative finite number, false otherwise