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miniwalker: add interface assertion (noop)

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mappu 2020-04-10 16:20:47 +12:00
parent 8986937340
commit 94fe16f681
1 changed files with 2 additions and 0 deletions
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miniwalker.go
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@ -34,6 +34,8 @@ func (mw *miniWalker) LeaveChildNode(key string, w walker.Walkable) {}
func (mw *miniWalker) EnterChildList(key string, w walker.Walkable) {}
func (mw *miniWalker) LeaveChildList(key string, w walker.Walkable) {}
var _ walker.Visitor = &miniWalker{} // interface assertion
func walk(n node.Node, cb func(node.Node) error) error {
mw := miniWalker{cb: cb}
n.Walk(&mw)