Unverified50% confidenceFactExact time
The core of the visitor pattern is double dispatch: the first dispatch occurs when a node calls accept(visitor), selecting the corresponding visit_xxx method based on the node type; the second dispatch occurs inside the visit_xxx method, executing the corresponding operation based on the visitor's concrete type.
1
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50%
Confidence
Long-term
Relevance
10/23/2026
First Seen
Sources
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