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4 changes: 3 additions & 1 deletion unit2/exercises/e1/main.go
Original file line number Diff line number Diff line change
@@ -1,6 +1,8 @@
package main

import "golang.org/x/tour/tree"
import (
"golang.org/x/tour/tree"
)

// Walk walks the tree t sending all values
// from the tree to the channel ch.
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