Bill 15230df621 Step 303: New AST nodes — AsyncFunction, AwaitExpression, LambdaExpression, DecoratorAnnotation (12/12 tests) ...

4 modern language construct nodes with full JSON roundtrip serialization.
AsyncFunction extends Function with isAsync flag, AwaitExpression wraps
awaited expressions, LambdaExpression captures variables with captureList,
DecoratorAnnotation models @decorator(args) patterns.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

2026-02-14 16:57:10 +00:00

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