toInt128 method
Zero-extending widen, then reinterpret — always non-negative and exact, since a 64-bit magnitude always fits in a positive Int128.
Implementation
Int128 toInt128() => Int128.unsafe(toUint128());
Zero-extending widen, then reinterpret — always non-negative and exact, since a 64-bit magnitude always fits in a positive Int128.
Int128 toInt128() => Int128.unsafe(toUint128());