isEven, isOdd, isNegative, isMaxValue, isMinValue, isInfinite, isPositive, isSingleValue.

lib/compiler/implementation/js_backend/constant_emitter.dart

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 class ConstantEmitter implements ConstantVisitor {
   final Compiler compiler;
   final Namer namer;
 
   CodeBuffer buffer;
   bool shouldEmitCanonicalVersion;
@@ skipping 45 matching lines @@
   void visitNull(NullConstant constant) {
     buffer.add("null");
   }
 
   void visitInt(IntConstant constant) {
     buffer.add(constant.value.toString());
   }
 
   void visitDouble(DoubleConstant constant) {
     double value = constant.value;
-    if (value.isNaN()) {
+    if (value.isNaN) {
       buffer.add("(0/0)");
     } else if (value == double.INFINITY) {
       buffer.add("(1/0)");
     } else if (value == -double.INFINITY) {
       buffer.add("(-1/0)");
     } else {
       buffer.add("$value");
     }
   }
 
@@ skipping 166 matching lines @@
       buffer.add(getJsConstructor(constant.type.element));
       buffer.add("(");
       for (int i = 0; i < constant.fields.length; i++) {
         if (i != 0) buffer.add(", ");
         _visit(constant.fields[i]);
       }
       buffer.add(")");
     }
   }
 }