Function factorialBigInt

factorialBigInt(n: bigint): bigint
Computes the factorial of a non-negative BigInt.
Parameters
- n: bigint
  Non-negative BigInt
Returns bigint
Factorial as BigInt
Example
```
factorialBigInt(5n); // returns 120n
factorialBigInt(0n); // returns 1n
```
Since
1.2.0
- Defined in number/factorialBigInt.ts:16