Check if a prefix is present in the trie, and get child keys of prefixes. #1
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| @@ -47,6 +48,25 @@ func (n *Node) HasChild(letter rune) bool { | |||
| return n.GetChild(letter) != nil | |||
| } | |||
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| func (n *Node) ChildKeys() []string { | |||
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This seems unrelated to your main change. Also, this should probably return a slice of runes since the keys are runes.
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This is the part that gets the child keys of a certain prefix, but I may have worded it badly. The rune thing's totally reasonable though.
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Subject says it all, really. I needed to be able to see if "foo..." was present in the trie, as well as get everything that started with "foo".