asIntNintermediateBigInt.asIntN(8, 255n) // β -1n (wraps as signed 8-bit)BigInt.asIntN() wraps a BigInt to fit within a signed N-bit integer.
Wraps a BigInt to a signed N-bit integer. BigInt.asIntN(8, 255n) overflows signed 8-bit to -1n.
Challenge: Verify this overflow.