anchor.diff:      $dart$core.double m = float.abs();
       while (true) {
           $dart$core.double f = m * Float.nativeValue(Float.instance(10.0).powerOfInteger(i = Integer.nativeValue(Integer.instance(i).predecessor)));
  -        $dart$core.double d = Float.nativeValue(Float.instance(Float.nativeValue(Float.instance(f).fractionalPart) * 10.toDouble()).wholePart);
  +        $dart$core.double d = Float.nativeValue(Float.instance(Float.nativeValue(Float.instance(f).fractionalPart) * Integer.instance(10).float).wholePart);
           Character c = Integer.instance(d.toInt() + $package$zeroInt).character;
           digits = digits.follow(c);
           if (Float.nativeValue(Float.instance(f).wholePart) == 0.0) {
  
positive.code:         if (!(null == tmp$10)) {
              $dart$core.int unsigned;
              unsigned = tmp$10;
              $dart$core.double signed = (($dart$core.double $lhs$) => null == $lhs$ ? Integer.instance(sign * unsigned).nearestFloat : $lhs$)(unsigned == 0 ? 0.toDouble() * sign.toDouble() : null);
              $dart$core.int exponentMagnitude = exponent.abs();
              if (exponentMagnitude == 0) {
                  return signed;
              } else if (exponentMagnitude <= $package$maximumIntegerExponent) {
                  $dart$core.int scale = Integer.nativeValue(Integer.instance(10).power(Integer.instance(exponentMagnitude)));
                  return (($dart$core.double $lhs$) => null == $lhs$ ? signed * scale.toDouble() : $lhs$)(exponent < 0 ? signed / scale.toDouble() : null);
              } else {
                  return signed * Float.nativeValue(Float.instance(10.0).power(Float.instance(exponent.toDouble())));
              }
          }
      }
  
negative.code:             }
              return Float.instance(x);
          })).f() as Float);
          epsilon = Float.nativeValue(Float.instance(2.0).power(Float.instance(Integer.instance(-52).float)));
          maxExactIntegralFloat = Integer.nativeValue(Integer.instance(2).power(Integer.instance(53))) - 1;
      }
      $dart$core.String name;
      $dart$core.String get version => (($dart$core.String $lhs$) => null == $lhs$ ? "Unknown" : $lhs$)($package$process.propertyValue("platform.version"));
      $dart$core.int integerSize;
      $dart$core.int integerAddressableSize;
      $dart$core.int maxIntegerValue;
  