Document that Matchers should be immutable (addresses Issue 93 on google code issue tracker).

scarytom · scarytom · commit d55c5bbaa1a7 · 2012-05-19T16:11:20.000+01:00
diff --git a/hamcrest-core/src/main/java/org/hamcrest/Matcher.java b/hamcrest-core/src/main/java/org/hamcrest/Matcher.java
@@ -13,7 +13,9 @@
  * <p/>
  * For easy access to common Matcher implementations, use the static factory
  * methods in {@link CoreMatchers}.
- *
+ * <p/>
+ * N.B. Well designed matchers should be immutable.
+ * 
  * @see CoreMatchers
  * @see BaseMatcher
  */
