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README.md |
README.md
btreeapplybylevel
Instructions
Write a function, BTreeApplyByLevel
, that applies the function given by f
, to each node of the tree given by root
.
Expected function
func BTreeApplyByLevel(root *TreeNode, f func(...interface{}) (int, error)) {
}
Usage
Here is a possible program to test your function :
package main
import (
"fmt"
"piscine"
)
func main() {
root := &piscine.TreeNode{Data: "4"}
piscine.BTreeInsertData(root, "1")
piscine.BTreeInsertData(root, "7")
piscine.BTreeInsertData(root, "5")
piscine.BTreeApplyByLevel(root, fmt.Println)
}
And its output :
$ go run .
4
1
7
5
$