22 lines
436 B
Go
22 lines
436 B
Go
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// Package walker declares walking behavior
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package walker
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// Walkable interface
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//
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// Every node must implement this interface
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type Walkable interface {
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Walk(v Visitor)
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}
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// Visitor interface
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type Visitor interface {
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EnterNode(w Walkable) bool
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LeaveNode(w Walkable)
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EnterChildNode(key string, w Walkable)
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LeaveChildNode(key string, w Walkable)
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EnterChildList(key string, w Walkable)
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LeaveChildList(key string, w Walkable)
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}
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