one-liners for the remaining top-50 dart:core classes

sdk/lib/core/set.dart

Index: sdk/lib/core/set.dart
diff --git a/sdk/lib/core/set.dart b/sdk/lib/core/set.dart
index aaab5ec465ecf0a14e9a370ba220c8f0030d694f..fe5a70b0f7c1ac692eef8129e359d1e96288dd2c 100644
--- a/sdk/lib/core/set.dart
+++ b/sdk/lib/core/set.dart
@@ -5,13 +5,13 @@
 part of dart.core;
 
 /**
- * A `Set` is a collection of elements where each element can occur only once.
+ * A collection of objects in which each object can occur only once.
  *
  * That is, for each object of the element type, the object is either considered

[mem, 2013/09/13 16:05:09]

[Element] type?

Or delete "of the element type". What does that mean?

Hard to know what this means without the context of the rest of the file.

- * to be in the set, or it is not in the set.
+ * to be in the set, or to _not_ be in the set. 
  *
  * Set implementations may consider some elements indistinguishable. These

[mem, 2013/09/13 16:05:09]

elements -> objects

- * objects will be treated as being the same for any operation on the set.
+ * objects are treated as being the same for any operation on the set.
  *
  * The default `Set` implementation, [HashSet], considers objects
  * indistinguishable if they are equal with regard to [Object.operator==].