53 lines
844 B
Go
53 lines
844 B
Go
package tree
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// A Tree Structure
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type Tree[T any] struct {
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value T
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children []*Tree[T]
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}
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func (tree *Tree[T]) dfs(handle func(*T)) {
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handle(&tree.value)
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for _, child := range tree.children {
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if child != nil {
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child.dfs(handle)
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}
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}
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}
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// DFS Depth-first Search
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func (tree *Tree[T]) DFS(handle func(*T)) {
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if tree == nil {
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return
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}
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if handle == nil {
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handle = func(*T) {}
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}
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tree.dfs(handle)
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}
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func (tree *Tree[T]) bfs(handle func(*T)) {
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var tmp []*Tree[T]
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for _, child := range tree.children {
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if child != nil {
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handle(&child.value)
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tmp = append(tmp, child)
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}
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}
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for _, child := range tmp {
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child.bfs(handle)
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}
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}
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// BFS Breadth-first Search
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func (tree *Tree[T]) BFS(handle func(*T)) {
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if tree == nil {
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return
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}
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if handle == nil {
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handle = func(*T) {}
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}
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handle(&tree.value)
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tree.bfs(handle)
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}
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