Merge pull request #267 from 01-edu/ChangeBTreeApplyByLevel

Change signature of the functions to make it easier
5 years ago · 0a98d14027
1 changed files with 1 additions and 1 deletions
--- a/subjects/btreeapplybylevel.en.md
+++ b/subjects/btreeapplybylevel.en.md
@ -7,7 +7,7 @@ Write a function, `BTreeApplyByLevel`, that applies the function given by `fn` t
 ### Expected function
 ```go
-func BTreeApplyByLevel(root *TreeNode, fn interface{})  {
+func BTreeApplyByLevel(root *TreeNode, f func(...interface{}) (int, error))  {
 }
 ```