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845 B

btreeapplybylevel

Instructions

Write a function, BTreeApplyByLevel, that applies the function given by fn to each node of the tree given by root.

This function must have the following signature.

Expected function

func BTreeApplyByLevel(root *TreeNode, fn interface{})  {

}

Usage

Here is a possible program to test your function :

package main

import (
	"fmt"
	student ".."
)

func main() {
	root := &student.TreeNode{Data: "4"}
	student.BTreeInsertData(root, "1")
	student.BTreeInsertData(root, "7")
	student.BTreeInsertData(root, "5")
	student.BTreeApplyByLevel(root, fmt.Println)
}

And its output :

student@ubuntu:~/student/btreeapplybylevel$ go build
student@ubuntu:~/student/btreeapplybylevel$ ./btreeapplybylevel
4
1
7
5
student@ubuntu:~/student/btreeapplybylevel$