Details
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Type:
Bug
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Status: Closed
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Priority:
Major
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Resolution: Fixed
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Affects Version/s: None
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Fix Version/s: 1.11.0
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Component/s: None
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Labels:None
Description
Create a shuttle for visiting linq4j expressions without mutating them. Rename the current Visitor class to Shuttle, create a new Visitor<R> interface, and a default implementation VisitorImpl<R>, and add a method <R> R Node.accept(Visitor<R> visitor).
Note that accept's return type is R: not necessarily a node, in fact often Void.