| OLD | NEW |
|---|
| 1 Helper libraries for working with collections. | 1 Helper libraries for working with collections. |
| 2 | 2 |
| 3 The `collection_helpers` package contains a number of separate libraries | 3 The `collection` package contains a number of separate libraries |
| 4 with utility functions and classes that makes working with collections easier. | 4 with utility functions and classes that makes working with collections easier. |
| 5 | 5 |
| 6 ## Using | 6 ## Using |
| 7 | 7 |
| 8 The `collection_helpers` library can be imported as separate libraries, or | 8 The `collection` package can be imported as separate libraries, or |
| 9 in totality: | 9 in totality: |
| 10 | 10 |
| 11 import 'package:collection_helpers/equality.dart'; | 11 import 'package:collection/equality.dart'; |
| 12 import 'package:collection_helpers/algorithms.dart'; | 12 import 'package:collection/algorithms.dart'; |
| 13 import 'package:collection_helpers/wrappers.dart'; | 13 import 'package:collection/wrappers.dart'; |
| 14 | 14 |
| 15 or | 15 or |
| 16 | 16 |
| 17 import 'package:collection_helpers/all.dart'; | 17 import 'package:collection/collection.dart'; |
| 18 | 18 |
| 19 ## Equality | 19 ## Equality |
| 20 | 20 |
| 21 The equality library gives a way to specify equality of elements and | 21 The equality library gives a way to specify equality of elements and |
| 22 collections. | 22 collections. |
| 23 | 23 |
| 24 Collections in Dart have no inherent equality. Two sets are not equal, even | 24 Collections in Dart have no inherent equality. Two sets are not equal, even |
| 25 if they contain exactly the same objects as elements. | 25 if they contain exactly the same objects as elements. |
| 26 | 26 |
| 27 The equality library provides a way to say define such an equality. In this | 27 The equality library provides a way to say define such an equality. In this |
| (...skipping 18 matching lines...) Expand all Loading... |
| 46 ## Wrappers | 46 ## Wrappers |
| 47 | 47 |
| 48 The wrappers library contains classes that "wrap" a collection. | 48 The wrappers library contains classes that "wrap" a collection. |
| 49 | 49 |
| 50 A wrapper class contains an object of the same type, and it forwards all | 50 A wrapper class contains an object of the same type, and it forwards all |
| 51 methods to the wrapped object. | 51 methods to the wrapped object. |
| 52 | 52 |
| 53 Wrapper classes can be used in various ways, for example to restrict the type | 53 Wrapper classes can be used in various ways, for example to restrict the type |
| 54 of an object to that of a supertype, or to change the behavior of selected | 54 of an object to that of a supertype, or to change the behavior of selected |
| 55 functions on an existing object. | 55 functions on an existing object. |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 113883002:
Create associated packages for the dart:collection and dart:async libs. (Closed)
Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart