docs: Cleaning up the example files after e2e testing.

example/analysis_options.yaml

@@ -1,5 +1,9 @@
 include: package:lints/recommended.yaml
 
+analyzer:
+  enable-experiment:
+    - inline-class
+
 linter:
   rules:
     prefer_relative_imports: true

example/lib/runner.dart

@@ -16,14 +16,11 @@ class GitRunner extends _$GitRunner {
     /// The name of the branch to be merged into the current branch.
     required String branch,
 
-    // /// Pass merge strategy specific option through to the merge strategy.
+    /// Pass merge strategy specific option through to the merge strategy.
     MergeStrategy strategy = MergeStrategy.ort,
 
     /// Perform the merge and commit the result.
-    @Flag() bool? commit,
-    @Option(hide: true, parser: specialDurationParser) Duration? uri,
-    @MultiOption(allowed: [1, 2, 3]) int? ff,
-    Set<int> someSet = const {1, 2, 3},
+    bool? commit,
   }) async {
     print('Merging branch $branch');
     if (commit == true) {
@@ -34,7 +31,3 @@ class GitRunner extends _$GitRunner {
 }
 
 enum MergeStrategy { ort, recursive, resolve, octopus, ours, subtree }
-
-Duration specialDurationParser(String input) {
-  return Duration(seconds: int.parse(input));
-}

example/lib/stash.dart

@@ -13,7 +13,7 @@ class StashSubcommand extends _$StashSubcommand {
   @cliCommand
   Future<void> push(
     String message, {
-    @Option(help: 'Whether to include untracked files.', abbr: 'u')
+    /// Whether to include untracked files.
     bool includeUntracked = false,
   }) async {
     print('Stashing changes with message: $message');

src/cli_gen/lib/src/analysis/parameters/type_parser_expression_builder.dart

@@ -91,16 +91,17 @@ class TypeParserExpressionBuilder {
     // if the element is a extension type, get the extension type erasure
     // to get the underlying type, then get the corresponding parser
     // by calling `getParserForParameter` recursively.
-    final isExtensionType = paramType.extensionTypeErasure != paramType;
-    if (isExtensionType) {
-      // final erasure = type.extensionTypeErasure;
-      // return getParserForParameter(element, erasure);
-      throw InvalidGenerationSource(
-        'Extension types are not supported by `cli-gen` yet.',
-        element: element,
-        todo: 'Please use a supported type',
-      );
-    }
+    // final isExtensionType = paramType.extensionTypeErasure != paramType;
+    // if (isExtensionType) {
+    //   // example: if `FooExtensionType` has an actualType of `int`,
+    //   // then the parser would be `FooExtensionType.parse`.
+
+    //   // throw InvalidGenerationSource(
+    //   //   'Extension types are not supported by `cli-gen` yet.',
+    //   //   element: element,
+    //   //   todo: 'Please use a supported type',
+    //   // );
+    // }
 
     throw InvalidGenerationSource(
       '`${paramType.element!.name}` is not a supported type for arg parsing.',

src/cli_gen/lib/src/analysis/utils/get_parameter_ast_node.dart

@@ -0,0 +1,18 @@
+import 'package:analyzer/dart/ast/ast.dart';
+import 'package:analyzer/dart/element/element.dart';
+import 'package:build/build.dart';
+import 'package:source_gen/source_gen.dart';
+
+extension ParameterAstNodeX on ParameterElement {
+  Future<FormalParameter> asAstNode(Resolver resolver) async {
+    final result = await resolver.astNodeFor(this);
+    if (result is! FormalParameter) {
+      throw InvalidGenerationSourceError(
+        'Expected a FormalParameter, but got $result',
+        element: this,
+      );
+    }
+
+    return result;
+  }
+}