1d339653d5
- Add VariableSpec class with magnitude field validation - Add Formula class supporting multiple input/output variables - Support d4rt_code as string or object with code field - Add comprehensive tests for parsing and serialization - Fix broken test import in pruebas_d4rt_test.dart Follows README.md format requirements exactly
59 lines
2.1 KiB
Markdown
59 lines
2.1 KiB
Markdown
[](https://github.com/dart-lang/core/actions/workflows/collection.yaml)
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[](https://pub.dev/packages/collection)
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[](https://pub.dev/packages/collection/publisher)
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Contains utility functions and classes in the style of `dart:collection` to make
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working with collections easier.
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## Algorithms
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The package contains functions that operate on lists.
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It contains ways to shuffle a `List`, do binary search on a sorted `List`, and
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various sorting algorithms.
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## Equality
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The package provides a way to specify the equality of elements and collections.
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Collections in Dart have no inherent equality. Two sets are not equal, even
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if they contain exactly the same objects as elements.
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The `Equality` interface provides a way to define such an equality. In this
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case, for example, `const SetEquality(IdentityEquality())` is an equality
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that considers two sets equal exactly if they contain identical elements.
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Equalities are provided for `Iterable`s, `List`s, `Set`s, and `Map`s, as well as
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combinations of these, such as:
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```dart
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const MapEquality(IdentityEquality(), ListEquality());
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```
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This equality considers maps equal if they have identical keys, and the
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corresponding values are lists with equal (`operator==`) values.
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## Iterable Zip
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Utilities for "zipping" a list of iterables into an iterable of lists.
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## Priority Queue
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An interface and implementation of a priority queue.
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## Wrappers
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The package contains classes that "wrap" a collection.
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A wrapper class contains an object of the same type, and it forwards all
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methods to the wrapped object.
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Wrapper classes can be used in various ways, for example to restrict the type
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of an object to that of a supertype, or to change the behavior of selected
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functions on an existing object.
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## Features and bugs
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Please file feature requests and bugs at the [issue tracker][tracker].
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[tracker]: https://github.com/dart-lang/collection/issues
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