Its funny we can cheat like this
\nvar last *TreeNode \n\ntype Codec struct {\n}\n\nfunc Constructor() Codec {\n    return Codec{}\n}\n\n// Serializes a tree to a single string.\nfunc (this *Co
```\nvar last *TreeNode \n\ntype Codec struct {\n}\n\nfunc Constructor() Codec {\n    return Codec{}\n}\n\n// Serializes a tree to a single string.\nfunc (this *Codec) serialize(root *TreeNode) string {\n    last = root\n    return ""\n}\n\n// Deserializes your encoded data to tree.\nfunc (this *Codec) deserialize(data string) *TreeNode {    \n    return last\n}\n```
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