Closures about eve2 HOT 3 CLOSED

But how do we give closures to properties? I think the answer is that we don't. Closure statement can only be inside a function statement.

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ANTLR did not seem to like the initial idea. Will try another way using a closure:: scope operator.

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Have found a basic way of implementing a closure:: operator. However, it is inefficient, because the entire scope stack is cloned to make a closure scope and then attached to the function object. We need a way of determining the "parent statement." The closure stack should be composed of all parents that are functions (and no other parents). Once we hit global, the stack ends.

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