sensorario
diff --git a/‎structural/binary-tree-compositions/compositions.go
-11 b/‎structural/binary-tree-compositions/compositions.go
-11
diff --git a/‎structural/binary-tree-compositions/main.go
+6 b/‎structural/binary-tree-compositions/main.go
+6
@@ -4,6 +4,12 @@ import (
 	"fmt"
 )
 
+type Tree struct {
+	LeafValue int
+	Right     *Tree
+	Left      *Tree
+}
+
 func main() {
 	root := Tree{
 		LeafValue: 0,