js: fix core.Object, output order, static const fields

test/codegen/expect/dart/math.js

 var math;
 (function(exports) {
   'use strict';
+  class _JenkinsSmiHash extends core.Object {
+    static combine(hash, value) {
+      hash = 536870911 & dart.notNull(hash) + dart.notNull(value);
+      hash = 536870911 & dart.notNull(hash) + ((524287 & dart.notNull(hash)) << 10);
+      return dart.notNull(hash) ^ dart.notNull(hash) >> 6;
+    }
+    static finish(hash) {
+      hash = 536870911 & dart.notNull(hash) + ((67108863 & dart.notNull(hash)) << 3);
+      hash = dart.notNull(hash) ^ dart.notNull(hash) >> 11;
+      return 536870911 & dart.notNull(hash) + ((16383 & dart.notNull(hash)) << 15);
+    }
+    static hash2(a, b) {
+      return finish(combine(combine(0, dart.as(a, core.int)), dart.as(b, core.int)));
+    }
+    static hash4(a, b, c, d) {
+      return finish(combine(combine(combine(combine(0, dart.as(a, core.int)), dart.as(b, core.int)), dart.as(c, core.int)), dart.as(d, core.int)));
+    }
+  }
+  let Point$ = dart.generic(function(T) {
+    class Point extends core.Object {
+      Point(x, y) {
+        this.x = x;
+        this.y = y;
+      }
+      toString() {
+        return `Point(${this.x}, ${this.y})`;
+      }
+      ['=='](other) {
+        if (!dart.is(other, Point))
+          return false;
+        return dart.notNull(dart.equals(this.x, dart.dload(other, 'x'))) && dart.notNull(dart.equals(this.y, dart.dload(other, 'y')));
+      }
+      get hashCode() {
+        return _JenkinsSmiHash.hash2(this.x.hashCode, this.y.hashCode);
+      }
+      ['+'](other) {
+        return new Point(dart.as(this.x['+'](other.x), T), dart.as(this.y['+'](other.y), T));
+      }
+      ['-'](other) {
+        return new Point(dart.as(this.x['-'](other.x), T), dart.as(this.y['-'](other.y), T));
+      }
+      ['*'](factor) {
+        return new Point(dart.as(this.x['*'](factor), T), dart.as(this.y['*'](factor), T));
+      }
+      get magnitude() {
+        return sqrt(dart.notNull(this.x['*'](this.x)) + dart.notNull(this.y['*'](this.y)));
+      }
+      distanceTo(other) {
+        let dx = this.x['-'](other.x);
+        let dy = this.y['-'](other.y);
+        return sqrt(dart.notNull(dx) * dart.notNull(dx) + dart.notNull(dy) * dart.notNull(dy));
+      }
+      squaredDistanceTo(other) {
+        let dx = this.x['-'](other.x);
+        let dy = this.y['-'](other.y);
+        return dart.as(dart.notNull(dx) * dart.notNull(dx) + dart.notNull(dy) * dart.notNull(dy), T);
+      }
+    }
+    return Point;
+  });
+  let Point = Point$(dart.dynamic);
+  class Random extends core.Object {
+    Random(seed) {
+      if (seed === void 0)
+        seed = null;
+      return seed === null ? new _JSRandom() : new _Random(seed);
+    }
+  }
+  let _RectangleBase$ = dart.generic(function(T) {
+    class _RectangleBase extends core.Object {
+      _RectangleBase() {
+      }
+      get right() {
+        return dart.as(this.left['+'](this.width), T);
+      }
+      get bottom() {
+        return dart.as(this.top['+'](this.height), T);
+      }
+      toString() {
+        return `Rectangle (${this.left}, ${this.top}) ${this.width} x ${this.height}`;
+      }
+      ['=='](other) {
+        if (!dart.is(other, Rectangle))
+          return false;
+        return dart.notNull(dart.equals(this.left, dart.dload(other, 'left'))) && dart.notNull(dart.equals(this.top, dart.dload(other, 'top'))) && dart.notNull(dart.equals(this.right, dart.dload(other, 'right'))) && dart.notNull(dart.equals(this.bottom, dart.dload(other, 'bottom')));
+      }
+      get hashCode() {
+        return _JenkinsSmiHash.hash4(this.left.hashCode, this.top.hashCode, this.right.hashCode, this.bottom.hashCode);
+      }
+      intersection(other) {
+        let x0 = max(this.left, other.left);
+        let x1 = min(this.left['+'](this.width), other.left['+'](other.width));
+        if (dart.notNull(x0) <= dart.notNull(x1)) {
+          let y0 = max(this.top, other.top);
+          let y1 = min(this.top['+'](this.height), other.top['+'](other.height));
+          if (dart.notNull(y0) <= dart.notNull(y1)) {
+            return new Rectangle(dart.as(x0, T), dart.as(y0, T), dart.as(dart.notNull(x1) - dart.notNull(x0), T), dart.as(dart.notNull(y1) - dart.notNull(y0), T));
+          }
+        }
+        return null;
+      }
+      intersects(other) {
+        return dart.notNull(this.left['<='](dart.notNull(other.left) + dart.notNull(other.width))) && dart.notNull(other.left) <= dart.notNull(this.left['+'](this.width)) && dart.notNull(this.top['<='](dart.notNull(other.top) + dart.notNull(other.height))) && dart.notNull(other.top) <= dart.notNull(this.top['+'](this.height));
+      }
+      boundingBox(other) {
+        let right = max(this.left['+'](this.width), other.left['+'](other.width));
+        let bottom = max(this.top['+'](this.height), other.top['+'](other.height));
+        let left = min(this.left, other.left);
+        let top = min(this.top, other.top);
+        return new Rectangle(dart.as(left, T), dart.as(top, T), dart.as(dart.notNull(right) - dart.notNull(left), T), dart.as(dart.notNull(bottom) - dart.notNull(top), T));
+      }
+      containsRectangle(another) {
+        return dart.notNull(this.left['<='](another.left)) && dart.notNull(this.left['+'](this.width)) >= dart.notNull(another.left) + dart.notNull(another.width) && dart.notNull(this.top['<='](another.top)) && dart.notNull(this.top['+'](this.height)) >= dart.notNull(another.top) + dart.notNull(another.height);
+      }
+      containsPoint(another) {
+        return core.num['>='](another.x, this.left) && dart.notNull(another.x) <= dart.notNull(this.left['+'](this.width)) && core.num['>='](another.y, this.top) && dart.notNull(another.y) <= dart.notNull(this.top['+'](this.height));
+      }
+      get topLeft() {
+        return new Point(this.left, this.top);
+      }
+      get topRight() {
+        return new Point(dart.as(this.left['+'](this.width), T), this.top);
+      }
+      get bottomRight() {
+        return new Point(dart.as(this.left['+'](this.width), T), dart.as(this.top['+'](this.height), T));
+      }
+      get bottomLeft() {
+        return new Point(this.left, dart.as(this.top['+'](this.height), T));
+      }
+    }
+    return _RectangleBase;
+  });
+  let _RectangleBase = _RectangleBase$(dart.dynamic);
+  let Rectangle$ = dart.generic(function(T) {
+    class Rectangle extends _RectangleBase$(T) {
+      Rectangle(left, top, width, height) {
+        this.left = left;
+        this.top = top;
+        this.width = dart.as(width['<'](0) ? dart.notNull(width['unary-']()) * 0 : width, T);
+        this.height = dart.as(height['<'](0) ? dart.notNull(height['unary-']()) * 0 : height, T);
+        super._RectangleBase();
+      }
+      Rectangle$fromPoints(a, b) {
+        let left = dart.as(min(a.x, b.x), T);
+        let width = dart.as(core.num['-'](max(a.x, b.x), left), T);
+        let top = dart.as(min(a.y, b.y), T);
+        let height = dart.as(core.num['-'](max(a.y, b.y), top), T);
+        return new Rectangle(left, top, width, height);
+      }
+    }
+    dart.defineNamedConstructor(Rectangle, 'fromPoints');
+    return Rectangle;
+  });
+  let Rectangle = Rectangle$(dart.dynamic);
+  let _width = Symbol('_width');
+  let _height = Symbol('_height');
+  let MutableRectangle$ = dart.generic(function(T) {
+    class MutableRectangle extends _RectangleBase$(T) {
+      MutableRectangle(left, top, width, height) {
+        this.left = left;
+        this.top = top;
+        this[_width] = dart.as(width['<'](0) ? _clampToZero(width) : width, T);
+        this[_height] = dart.as(height['<'](0) ? _clampToZero(height) : height, T);
+        super._RectangleBase();
+      }
+      MutableRectangle$fromPoints(a, b) {
+        let left = dart.as(min(a.x, b.x), T);
+        let width = dart.as(core.num['-'](max(a.x, b.x), left), T);
+        let top = dart.as(min(a.y, b.y), T);
+        let height = dart.as(core.num['-'](max(a.y, b.y), top), T);
+        return new MutableRectangle(left, top, width, height);
+      }
+      get width() {
+        return this[_width];
+      }
+      set width(width) {
+        if (width['<'](0))
+          width = dart.as(_clampToZero(width), T);
+        this[_width] = width;
+      }
+      get height() {
+        return this[_height];
+      }
+      set height(height) {
+        if (height['<'](0))
+          height = dart.as(_clampToZero(height), T);
+        this[_height] = height;
+      }
+    }
+    dart.defineNamedConstructor(MutableRectangle, 'fromPoints');
+    return MutableRectangle;
+  });
+  let MutableRectangle = MutableRectangle$(dart.dynamic);
+  // Function _clampToZero: (num) → num
+  function _clampToZero(value) {
+    dart.assert(dart.notNull(value) < 0);
+    return -dart.notNull(value) * 0;
+  }
   let E = 2.718281828459045;
   let LN10 = 2.302585092994046;
   let LN2 = 0.6931471805599453;
   let LOG2E = 1.4426950408889634;
   let LOG10E = 0.4342944819032518;
   let PI = 3.141592653589793;
   let SQRT1_2 = 0.7071067811865476;
   let SQRT2 = 1.4142135623730951;
   // Function min: (num, num) → num
   function min(a, b) {
@@ skipping 81 matching lines @@
   }
   // Function exp: (num) → double
   function exp(x) {
     return Math.exp(_js_helper.checkNum(x));
   }
   // Function log: (num) → double
   function log(x) {
     return Math.log(_js_helper.checkNum(x));
   }
   let _POW2_32 = 4294967296;
-  class _JSRandom extends dart.Object {
+  class _JSRandom extends core.Object {
     _JSRandom() {
     }
     nextInt(max) {
       if (dart.notNull(max) <= 0 || dart.notNull(max) > dart.notNull(_POW2_32)) {
         throw new core.RangeError(`max must be in range 0 < max ≤ 2^32, was ${max}`);
       }
       return Math.random() * max >>> 0;
     }
     nextDouble() {
       return Math.random();
     }
     nextBool() {
       return Math.random() < 0.5;
     }
   }
   let _lo = Symbol('_lo');
   let _hi = Symbol('_hi');
   let _nextState = Symbol('_nextState');
-  class _Random extends dart.Object {
+  class _Random extends core.Object {
     _Random(seed) {
       this[_lo] = 0;
       this[_hi] = 0;
       let empty_seed = 0;
       if (dart.notNull(seed) < 0) {
         empty_seed = -1;
       }
       do {
-        let low = dart.notNull(seed) & dart.notNull(_MASK32);
+        let low = dart.notNull(seed) & dart.notNull(_Random._MASK32);
         seed = ((dart.notNull(seed) - dart.notNull(low)) / dart.notNull(_POW2_32)).truncate();
-        let high = dart.notNull(seed) & dart.notNull(_MASK32);
+        let high = dart.notNull(seed) & dart.notNull(_Random._MASK32);
         seed = ((dart.notNull(seed) - dart.notNull(high)) / dart.notNull(_POW2_32)).truncate();
         let tmplow = dart.notNull(low) << 21;
         let tmphigh = dart.notNull(high) << 21 | dart.notNull(low) >> 11;
-        tmplow = (~dart.notNull(low) & dart.notNull(_MASK32)) + dart.notNull(tmplow);
-        low = dart.notNull(tmplow) & dart.notNull(_MASK32);
-        high = ~dart.notNull(high) + dart.notNull(tmphigh) + ((dart.notNull(tmplow) - dart.notNull(low)) / 4294967296).truncate() & dart.notNull(_MASK32);
+        tmplow = (~dart.notNull(low) & dart.notNull(_Random._MASK32)) + dart.notNull(tmplow);
+        low = dart.notNull(tmplow) & dart.notNull(_Random._MASK32);
+        high = ~dart.notNull(high) + dart.notNull(tmphigh) + ((dart.notNull(tmplow) - dart.notNull(low)) / 4294967296).truncate() & dart.notNull(_Random._MASK32);
         tmphigh = dart.notNull(high) >> 24;
         tmplow = dart.notNull(low) >> 24 | dart.notNull(high) << 8;
         low = tmplow;
         high = tmphigh;
         tmplow = dart.notNull(low) * 265;
-        low = dart.notNull(tmplow) & dart.notNull(_MASK32);
-        high = dart.notNull(high) * 265 + ((dart.notNull(tmplow) - dart.notNull(low)) / 4294967296).truncate() & dart.notNull(_MASK32);
+        low = dart.notNull(tmplow) & dart.notNull(_Random._MASK32);
+        high = dart.notNull(high) * 265 + ((dart.notNull(tmplow) - dart.notNull(low)) / 4294967296).truncate() & dart.notNull(_Random._MASK32);
         tmphigh = dart.notNull(high) >> 14;
         tmplow = dart.notNull(low) >> 14 | dart.notNull(high) << 18;
         low = tmplow;
         high = tmphigh;
         tmplow = dart.notNull(low) * 21;
-        low = dart.notNull(tmplow) & dart.notNull(_MASK32);
-        high = dart.notNull(high) * 21 + ((dart.notNull(tmplow) - dart.notNull(low)) / 4294967296).truncate() & dart.notNull(_MASK32);
+        low = dart.notNull(tmplow) & dart.notNull(_Random._MASK32);
+        high = dart.notNull(high) * 21 + ((dart.notNull(tmplow) - dart.notNull(low)) / 4294967296).truncate() & dart.notNull(_Random._MASK32);
         tmphigh = dart.notNull(high) >> 28;
         tmplow = dart.notNull(low) >> 28 | dart.notNull(high) << 4;
         low = tmplow;
         high = tmphigh;
         tmplow = dart.notNull(low) << 31;
         tmphigh = dart.notNull(high) << 31 | dart.notNull(low) >> 1;
         tmplow = low;
-        low = dart.notNull(tmplow) & dart.notNull(_MASK32);
-        high = dart.notNull(high) + dart.notNull(tmphigh) + ((dart.notNull(tmplow) - dart.notNull(low)) / 4294967296).truncate() & dart.notNull(_MASK32);
+        low = dart.notNull(tmplow) & dart.notNull(_Random._MASK32);
+        high = dart.notNull(high) + dart.notNull(tmphigh) + ((dart.notNull(tmplow) - dart.notNull(low)) / 4294967296).truncate() & dart.notNull(_Random._MASK32);
         tmplow = dart.notNull(this[_lo]) * 1037;
-        this[_lo] = dart.notNull(tmplow) & dart.notNull(_MASK32);
-        this[_hi] = dart.notNull(this[_hi]) * 1037 + ((dart.notNull(tmplow) - dart.notNull(this[_lo])) / 4294967296).truncate() & dart.notNull(_MASK32);
+        this[_lo] = dart.notNull(tmplow) & dart.notNull(_Random._MASK32);
+        this[_hi] = dart.notNull(this[_hi]) * 1037 + ((dart.notNull(tmplow) - dart.notNull(this[_lo])) / 4294967296).truncate() & dart.notNull(_Random._MASK32);
         this[_lo] = low;
         this[_hi] = high;
       } while (seed !== empty_seed);
       if (this[_hi] === 0 && this[_lo] === 0) {
         this[_lo] = 23063;
       }
       this[_nextState]();
       this[_nextState]();
       this[_nextState]();
       this[_nextState]();
     }
     [_nextState]() {
       let tmpHi = 4294901760 * dart.notNull(this[_lo]);
-      let tmpHiLo = dart.notNull(tmpHi) & dart.notNull(_MASK32);
+      let tmpHiLo = dart.notNull(tmpHi) & dart.notNull(_Random._MASK32);
       let tmpHiHi = dart.notNull(tmpHi) - dart.notNull(tmpHiLo);
       let tmpLo = 55905 * dart.notNull(this[_lo]);
-      let tmpLoLo = dart.notNull(tmpLo) & dart.notNull(_MASK32);
+      let tmpLoLo = dart.notNull(tmpLo) & dart.notNull(_Random._MASK32);
       let tmpLoHi = dart.notNull(tmpLo) - dart.notNull(tmpLoLo);
       let newLo = dart.notNull(tmpLoLo) + dart.notNull(tmpHiLo) + dart.notNull(this[_hi]);
-      this[_lo] = dart.notNull(newLo) & dart.notNull(_MASK32);
+      this[_lo] = dart.notNull(newLo) & dart.notNull(_Random._MASK32);
       let newLoHi = dart.notNull(newLo) - dart.notNull(this[_lo]);
-      this[_hi] = ((dart.notNull(tmpLoHi) + dart.notNull(tmpHiHi) + dart.notNull(newLoHi)) / dart.notNull(_POW2_32)).truncate() & dart.notNull(_MASK32);
+      this[_hi] = ((dart.notNull(tmpLoHi) + dart.notNull(tmpHiHi) + dart.notNull(newLoHi)) / dart.notNull(_POW2_32)).truncate() & dart.notNull(_Random._MASK32);
       dart.assert(dart.notNull(this[_lo]) < dart.notNull(_POW2_32));
       dart.assert(dart.notNull(this[_hi]) < dart.notNull(_POW2_32));
     }
     nextInt(max) {
       if (dart.notNull(max) <= 0 || dart.notNull(max) > dart.notNull(_POW2_32)) {
         throw new core.RangeError(`max must be in range 0 < max ≤ 2^32, was ${max}`);
       }
       if ((dart.notNull(max) & dart.notNull(max) - 1) === 0) {
         this[_nextState]();
         return dart.notNull(this[_lo]) & dart.notNull(max) - 1;
       }
       let rnd32 = null;
       let result = null;
       do {
         this[_nextState]();
         rnd32 = this[_lo];
         result = rnd32.remainder(max);
       } while (dart.notNull(rnd32) - dart.notNull(result) + dart.notNull(max) >= dart.notNull(_POW2_32));
       return result;
     }
     nextDouble() {
       this[_nextState]();
       let bits26 = dart.notNull(this[_lo]) & (1 << 26) - 1;
       this[_nextState]();
       let bits27 = dart.notNull(this[_lo]) & (1 << 27) - 1;
-      return (dart.notNull(bits26) * dart.notNull(_POW2_27_D) + dart.notNull(bits27)) / dart.notNull(_POW2_53_D);
+      return (dart.notNull(bits26) * dart.notNull(_Random._POW2_27_D) + dart.notNull(bits27)) / dart.notNull(_Random._POW2_53_D);
     }
     nextBool() {
       this[_nextState]();
       return (dart.notNull(this[_lo]) & 1) === 0;
     }
   }
   _Random._POW2_53_D = 1.0 * 9007199254740992;
   _Random._POW2_27_D = 1.0 * (1 << 27);
   _Random._MASK32 = 4294967295;
-  class _JenkinsSmiHash extends dart.Object {
-    static combine(hash, value) {
-      hash = 536870911 & dart.notNull(hash) + dart.notNull(value);
-      hash = 536870911 & dart.notNull(hash) + ((524287 & dart.notNull(hash)) << 10);
-      return dart.notNull(hash) ^ dart.notNull(hash) >> 6;
-    }
-    static finish(hash) {
-      hash = 536870911 & dart.notNull(hash) + ((67108863 & dart.notNull(hash)) << 3);
-      hash = dart.notNull(hash) ^ dart.notNull(hash) >> 11;
-      return 536870911 & dart.notNull(hash) + ((16383 & dart.notNull(hash)) << 15);
-    }
-    static hash2(a, b) {
-      return finish(combine(combine(0, dart.as(a, core.int)), dart.as(b, core.int)));
-    }
-    static hash4(a, b, c, d) {
-      return finish(combine(combine(combine(combine(0, dart.as(a, core.int)), dart.as(b, core.int)), dart.as(c, core.int)), dart.as(d, core.int)));
-    }
-  }
-  let Point$ = dart.generic(function(T) {
-    class Point extends dart.Object {
-      Point(x, y) {
-        this.x = x;
-        this.y = y;
-      }
-      toString() {
-        return `Point(${this.x}, ${this.y})`;
-      }
-      ['=='](other) {
-        if (!dart.is(other, Point))
-          return false;
-        return dart.notNull(dart.equals(this.x, dart.dload(other, 'x'))) && dart.notNull(dart.equals(this.y, dart.dload(other, 'y')));
-      }
-      get hashCode() {
-        return _JenkinsSmiHash.hash2(this.x.hashCode, this.y.hashCode);
-      }
-      ['+'](other) {
-        return new Point(dart.as(this.x['+'](other.x), T), dart.as(this.y['+'](other.y), T));
-      }
-      ['-'](other) {
-        return new Point(dart.as(this.x['-'](other.x), T), dart.as(this.y['-'](other.y), T));
-      }
-      ['*'](factor) {
-        return new Point(dart.as(this.x['*'](factor), T), dart.as(this.y['*'](factor), T));
-      }
-      get magnitude() {
-        return sqrt(dart.notNull(this.x['*'](this.x)) + dart.notNull(this.y['*'](this.y)));
-      }
-      distanceTo(other) {
-        let dx = this.x['-'](other.x);
-        let dy = this.y['-'](other.y);
-        return sqrt(dart.notNull(dx) * dart.notNull(dx) + dart.notNull(dy) * dart.notNull(dy));
-      }
-      squaredDistanceTo(other) {
-        let dx = this.x['-'](other.x);
-        let dy = this.y['-'](other.y);
-        return dart.as(dart.notNull(dx) * dart.notNull(dx) + dart.notNull(dy) * dart.notNull(dy), T);
-      }
-    }
-    return Point;
-  });
-  let Point = Point$(dynamic);
-  class Random extends dart.Object {
-    Random(seed) {
-      if (seed === void 0)
-        seed = null;
-      return seed === null ? new _JSRandom() : new _Random(seed);
-    }
-  }
-  let _RectangleBase$ = dart.generic(function(T) {
-    class _RectangleBase extends dart.Object {
-      _RectangleBase() {
-      }
-      get right() {
-        return dart.as(this.left['+'](this.width), T);
-      }
-      get bottom() {
-        return dart.as(this.top['+'](this.height), T);
-      }
-      toString() {
-        return `Rectangle (${this.left}, ${this.top}) ${this.width} x ${this.height}`;
-      }
-      ['=='](other) {
-        if (!dart.is(other, Rectangle))
-          return false;
-        return dart.notNull(dart.equals(this.left, dart.dload(other, 'left'))) && dart.notNull(dart.equals(this.top, dart.dload(other, 'top'))) && dart.notNull(dart.equals(this.right, dart.dload(other, 'right'))) && dart.notNull(dart.equals(this.bottom, dart.dload(other, 'bottom')));
-      }
-      get hashCode() {
-        return _JenkinsSmiHash.hash4(this.left.hashCode, this.top.hashCode, this.right.hashCode, this.bottom.hashCode);
-      }
-      intersection(other) {
-        let x0 = max(this.left, other.left);
-        let x1 = min(this.left['+'](this.width), other.left['+'](other.width));
-        if (dart.notNull(x0) <= dart.notNull(x1)) {
-          let y0 = max(this.top, other.top);
-          let y1 = min(this.top['+'](this.height), other.top['+'](other.height));
-          if (dart.notNull(y0) <= dart.notNull(y1)) {
-            return new Rectangle(dart.as(x0, T), dart.as(y0, T), dart.as(dart.notNull(x1) - dart.notNull(x0), T), dart.as(dart.notNull(y1) - dart.notNull(y0), T));
-          }
-        }
-        return null;
-      }
-      intersects(other) {
-        return dart.notNull(this.left['<='](dart.notNull(other.left) + dart.notNull(other.width))) && dart.notNull(other.left) <= dart.notNull(this.left['+'](this.width)) && dart.notNull(this.top['<='](dart.notNull(other.top) + dart.notNull(other.height))) && dart.notNull(other.top) <= dart.notNull(this.top['+'](this.height));
-      }
-      boundingBox(other) {
-        let right = max(this.left['+'](this.width), other.left['+'](other.width));
-        let bottom = max(this.top['+'](this.height), other.top['+'](other.height));
-        let left = min(this.left, other.left);
-        let top = min(this.top, other.top);
-        return new Rectangle(dart.as(left, T), dart.as(top, T), dart.as(dart.notNull(right) - dart.notNull(left), T), dart.as(dart.notNull(bottom) - dart.notNull(top), T));
-      }
-      containsRectangle(another) {
-        return dart.notNull(this.left['<='](another.left)) && dart.notNull(this.left['+'](this.width)) >= dart.notNull(another.left) + dart.notNull(another.width) && dart.notNull(this.top['<='](another.top)) && dart.notNull(this.top['+'](this.height)) >= dart.notNull(another.top) + dart.notNull(another.height);
-      }
-      containsPoint(another) {
-        return core.num['>='](another.x, this.left) && dart.notNull(another.x) <= dart.notNull(this.left['+'](this.width)) && core.num['>='](another.y, this.top) && dart.notNull(another.y) <= dart.notNull(this.top['+'](this.height));
-      }
-      get topLeft() {
-        return new Point(this.left, this.top);
-      }
-      get topRight() {
-        return new Point(dart.as(this.left['+'](this.width), T), this.top);
-      }
-      get bottomRight() {
-        return new Point(dart.as(this.left['+'](this.width), T), dart.as(this.top['+'](this.height), T));
-      }
-      get bottomLeft() {
-        return new Point(this.left, dart.as(this.top['+'](this.height), T));
-      }
-    }
-    return _RectangleBase;
-  });
-  let _RectangleBase = _RectangleBase$(dynamic);
-  let Rectangle$ = dart.generic(function(T) {
-    class Rectangle extends _RectangleBase$(T) {
-      Rectangle(left, top, width, height) {
-        this.left = left;
-        this.top = top;
-        this.width = dart.as(width['<'](0) ? dart.notNull(width['unary-']()) * 0 : width, T);
-        this.height = dart.as(height['<'](0) ? dart.notNull(height['unary-']()) * 0 : height, T);
-        super._RectangleBase();
-      }
-      Rectangle$fromPoints(a, b) {
-        let left = dart.as(min(a.x, b.x), T);
-        let width = dart.as(core.num['-'](max(a.x, b.x), left), T);
-        let top = dart.as(min(a.y, b.y), T);
-        let height = dart.as(core.num['-'](max(a.y, b.y), top), T);
-        return new Rectangle(left, top, width, height);
-      }
-    }
-    dart.defineNamedConstructor(Rectangle, 'fromPoints');
-    return Rectangle;
-  });
-  let Rectangle = Rectangle$(dynamic);
-  let _width = Symbol('_width');
-  let _height = Symbol('_height');
-  let MutableRectangle$ = dart.generic(function(T) {
-    class MutableRectangle extends _RectangleBase$(T) {
-      MutableRectangle(left, top, width, height) {
-        this.left = left;
-        this.top = top;
-        this[_width] = dart.as(width['<'](0) ? _clampToZero(width) : width, T);
-        this[_height] = dart.as(height['<'](0) ? _clampToZero(height) : height, T);
-        super._RectangleBase();
-      }
-      MutableRectangle$fromPoints(a, b) {
-        let left = dart.as(min(a.x, b.x), T);
-        let width = dart.as(core.num['-'](max(a.x, b.x), left), T);
-        let top = dart.as(min(a.y, b.y), T);
-        let height = dart.as(core.num['-'](max(a.y, b.y), top), T);
-        return new MutableRectangle(left, top, width, height);
-      }
-      get width() {
-        return this[_width];
-      }
-      set width(width) {
-        if (width['<'](0))
-          width = dart.as(_clampToZero(width), T);
-        this[_width] = width;
-      }
-      get height() {
-        return this[_height];
-      }
-      set height(height) {
-        if (height['<'](0))
-          height = dart.as(_clampToZero(height), T);
-        this[_height] = height;
-      }
-    }
-    dart.defineNamedConstructor(MutableRectangle, 'fromPoints');
-    return MutableRectangle;
-  });
-  let MutableRectangle = MutableRectangle$(dynamic);
-  // Function _clampToZero: (num) → num
-  function _clampToZero(value) {
-    dart.assert(dart.notNull(value) < 0);
-    return -dart.notNull(value) * 0;
-  }
   // Exports:
+  exports.Point = Point;
+  exports.Point$ = Point$;
+  exports.Random = Random;
+  exports.Rectangle = Rectangle;
+  exports.Rectangle$ = Rectangle$;
+  exports.MutableRectangle = MutableRectangle;
+  exports.MutableRectangle$ = MutableRectangle$;
   exports.E = E;
   exports.LN10 = LN10;
   exports.LN2 = LN2;
   exports.LOG2E = LOG2E;
   exports.LOG10E = LOG10E;
   exports.PI = PI;
   exports.SQRT1_2 = SQRT1_2;
   exports.SQRT2 = SQRT2;
   exports.min = min;
   exports.max = max;
   exports.atan2 = atan2;
   exports.pow = pow;
   exports.sin = sin;
   exports.cos = cos;
   exports.tan = tan;
   exports.acos = acos;
   exports.asin = asin;
   exports.atan = atan;
   exports.sqrt = sqrt;
   exports.exp = exp;
   exports.log = log;
-  exports.Point = Point;
-  exports.Point$ = Point$;
-  exports.Random = Random;
-  exports.Rectangle = Rectangle;
-  exports.Rectangle$ = Rectangle$;
-  exports.MutableRectangle = MutableRectangle;
-  exports.MutableRectangle$ = MutableRectangle$;
 })(math || (math = {}));