{"id":"complement-zero-special-case","text":"`bitwiseComplement(0)` returns 1 via an explicit early check because `int.bit_length()` returns 0 for zero, which would make the general XOR-mask formula produce `(1 << 0) - 1 = 0` instead of 1.","truth_value":"IN","source":"entries/2026/06/06/complement-of-base-10-integer-solution.md","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{},"created_at":"","updated_at":"","reviewed_at":"","verified_at":"","retracted_at":"","explanation":{"steps":[{"node":"complement-zero-special-case","truth_value":"IN","reason":"premise"}]}}