> Groovy should have an @AutoFinal annotation
> Key: GROOVY-8300
> URL: https://issues.apache.org/jira/browse/GROOVY-8300 > Project: Groovy
> Issue Type: New Feature
> Reporter: Paul King
> Assignee: Paul King
> When defined on a method or constructor, all parameters of that method/constructor will be final. When applied on a class, the annotation applies to all methods/constructors.
> Discussion points:
> # Should visibility matter, e.g. would it apply to all public, protected, private, etc. members, or does there need to be some ability to customise? *Current thinking*: it should apply to all methods. We can always introduce an additional annotation attribute at a later point if there is demand.
> # Should there be support for 'includes' or 'excludes' functionality? *Current thinking*: don't support this for now. The annotation can be applied on multiple methods/constructors if finer granularity than the class level is required.
> # Should the annotation apply to fields/properties? Applying 'final' to a field/property seems to be more efficient than applying @AutoFinal but would there ever be a desire to apply such an annotation to all fields/properties? *Current thinking*: don't support this for now. An annotation attribute could be added later if we wanted to optionally turn such extra cases on.
> # Should it apply to synthetic methods/constructors added by the compiler/other transforms? *Current thinking*: Don't apply to synthetic methods unless we find special cases were it is needed.
> # What phase should this run at? It needs to be before the (incubating) final variable analyser is run. *Current thinking*: SEMANTIC_ANALYSIS
> # We should have tests to confirm that there are no adverse interactions with other language features, e.g. default parameter values. *Note*: we should have a test case that covers this.
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