10/10 points: Provide a valid pubspec.yaml

5/5 points: Provide a valid README.md

5/5 points: Provide a valid CHANGELOG.md

10/10 points: Use an OSI-approved license

Detected license: BSD-3-Clause.

10/10 points: 20% or more of the public API has dartdoc comments

195 out of 317 API elements (61.5 %) have documentation comments.

Some symbols that are missing documentation: structures.AChoice.AChoice.new, structures.AChoice.select, structures.AChoice.when, structures.AList.AList.new, structures.AValue.AValue.new.

10/10 points: Package has an example

20/20 points: Supports 6 of 6 possible platforms (iOS, Android, Web, Windows, macOS, Linux)

• ✓ Android

• ✓ iOS

• ✓ Windows

• ✓ Linux

• ✓ macOS

• ✓ Web

0/0 points: WASM compatibility

This package is compatible with runtime wasm, and will be rewarded additional points in a future version of the scoring model.

See https://dart.dev/web/wasm for details.

30/50 points: code has no errors, warnings, lints, or formatting issues

Found 10 issues. Showing the first 2:

    ╷
569 │   /// {@end-tool}
    │       ^^^^^^^^^^^
    ╵

   ╷
1  │ ┌ /// As convention provide a static const empty instance for the object
2  │ │ /// ```dart
3  │ │ /// class Name implements Emptiable<Name>{
4  │ │ ///     final String value;
5  │ │ ///     const Name(this.value);
6  │ │ ///
7  │ │ ///     const Name empty =  Name("");
8  │ │ ///
9  │ │ ///     bool get isEmpty => value.isEmpty;
10 │ │ ///     bool get isNotEmpty => value.isNotEmpty;
11 │ │ /// }
12 │ └ /// ```
   ╵

10/10 points: All of the package dependencies are supported in the latest version

To reproduce run dart pub outdated --no-dev-dependencies --up-to-date --no-dependency-overrides.

10/10 points: Package supports latest stable Dart and Flutter SDKs

20/20 points: Compatible with dependency constraint lower bounds

pub downgrade does not expose any static analysis error.