rforax

More a feature tar pit, yes.

@CompileStatic is a great idea even if I prefer approach like Dart or ActionScript partial typing.

Groovy closure used dynamic scoping rules not unlike 'this' in JS which makes Closure a corner case for the static analysis performed by @CompileStatic.

yes, for a long time, anonymous classes was enough, verbose but enough.

and default methods are traits but it's a secret.