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

runtime/lib/integers.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.
 
 // TODO(srdjan): fix limitations.
 // - shift amount must be a Smi.
 class _IntegerImplementation {
   factory _IntegerImplementation._uninstantiable() {
     throw const UnsupportedOperationException(
         "_IntegerImplementation can only be allocated by the VM");
@@ skipping 71 matching lines @@
   bool operator ==(other) {
     if (other is num) {
       return other._equalToInteger(this);
     }
     return false;
   }
   bool _equalToInteger(int other) native "Integer_equalToInteger";
   int abs() {
     return this < 0 ? -this : this;
   }
-  bool isEven() { return ((this & 1) === 0); }
-  bool isOdd() { return !isEven(); }
-  bool isNaN() { return false; }
-  bool isNegative() { return this < 0; }
-  bool isInfinite() { return false; }
+  bool get isEven => ((this & 1) == 0);
+  bool get isOdd => !isEven;
+  bool get isNaN => false;
+  bool get isNegative => this < 0;
+  bool get isInfinite => false;
 
   int compareTo(num other) {
     final int EQUAL = 0, LESS = -1, GREATER = 1;
     if (other is double) {
       // TODO(floitsch): the following locals should be 'const'.
       int MAX_EXACT_INT_TO_DOUBLE = 9007199254740992;  // 2^53.
       int MIN_EXACT_INT_TO_DOUBLE = -MAX_EXACT_INT_TO_DOUBLE;
       double d = other;
-      if (d.isInfinite()) {
+      if (d.isInfinite) {
         return d == double.NEGATIVE_INFINITY ? GREATER : LESS;
       }
-      if (d.isNaN()) {
+      if (d.isNaN) {
         return LESS;
       }
       if (MIN_EXACT_INT_TO_DOUBLE <= this && this <= MAX_EXACT_INT_TO_DOUBLE) {
         // Let the double implementation deal with -0.0.
         return -(d.compareTo(this.toDouble()));
       } else {
         // If abs(other) > MAX_EXACT_INT_TO_DOUBLE, then other has an integer
         // value (no bits below the decimal point).
         other = d.toInt();
       }
@@ skipping 10 matching lines @@
   int round() { return this; }
   int floor() { return this; }
   int ceil() { return this; }
   int truncate() { return this; }
 
   int toInt() { return this; }
   double toDouble() { return new _Double.fromInteger(this); }
 
   int pow(int exponent) {
     double res = this.toDouble().pow(exponent);
-    if (res.isInfinite()) {
+    if (res.isInfinite) {
       // Use Bigint instead.
       throw "_IntegerImplementation.pow not implemented for large integers.";
     }
     return res.toInt();
   }
 
   String toStringAsFixed(int fractionDigits) {
     return this.toDouble().toStringAsFixed(fractionDigits);
   }
   String toStringAsExponential(int fractionDigits) {
@@ skipping 88 matching lines @@
     }
   }
   int _shlFromInt(int other) {
     throw const OutOfMemoryError();
   }
 
   int pow(int exponent) {
     throw "Bigint.pow not implemented";
   }
 }