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lifegpc
2024-07-16 17:12:11 +08:00
parent 240c44c5d7
commit 640cb926ca
3 changed files with 62 additions and 10 deletions
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26
binary_tree.h
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@@ -32,6 +32,32 @@ inline void binary_tree_clear(struct BinaryTree<T>*& top, F free_func) {
binary_tree_clear(top, std::function<void(T)>(free_func));
}
template <typename T>
struct BinaryTree<T>* binary_tree_clone(struct BinaryTree<T>* tree, std::function<void(T)> free_func = std::function<void(T)>()) {
if (!tree) return nullptr;
T newdata(tree->data);
struct BinaryTree<T>* now = binary_tree_new(newdata);
if (now) {
if (tree->left) {
now->left = binary_tree_clone(tree->left, free_func);
if (!now->left) goto end;
}
if (tree->right) {
now->right = binary_tree_clone(tree->right, free_func);
if (!now->right) goto end;
}
}
return now;
end:
binary_tree_clear(now, free_func);
return now;
}
template <typename T, class F>
inline struct BinaryTree<T>* binary_tree_clone(struct BinaryTree<T>* tree, F free_func) {
return binary_tree_clone(tree, std::function<void(T)>(free_func));
}
template <typename T, typename... Args>
void binary_tree_dfs(struct BinaryTree<T>* top, std::function<void(struct BinaryTree<T>*, Args...)> callback, Args... args) {
if (!top) return;