}
    
    bool IntFitsU64(Int *value) {
        ValidateInt(value);
        return IntBitLength(value) <= 64;

        ValidateInt(value);
    
        if (!IntFitsU64(value)) {
            LOG_FATAL("Int value exceeds u64 range");
        }

        ValidateInt(exponent);
    
        if (!IntFitsU64(exponent)) {
            LOG_FATAL("Int exponent exceeds u64 range");
        }

    
    bool test_int_fits_u64(void) {
        WriteFmt("Testing IntFitsU64\n");
    
        Int small = IntFrom(UINT64_MAX);

        IntShiftLeft(&big, 64);
    
        bool result = IntFitsU64(&small);
        result      = result && !IntFitsU64(&big);

    
        bool result = IntFitsU64(&small);
        result      = result && !IntFitsU64(&big);
    
        IntDeinit(&small);