Just another update

Task/Visualize-a-tree/Go/visualize-a-tree-1.go

@@ -0,0 +1,29 @@
+package main
+
+import (
+    "encoding/json"
+    "fmt"
+    "log"
+)
+
+type Node struct {
+    Name     string
+    Children []*Node
+}
+
+func main() {
+    tree := &Node{"root", []*Node{
+        &Node{"a", []*Node{
+            &Node{"d", nil},
+            &Node{"e", []*Node{
+                &Node{"f", nil},
+            }}}},
+        &Node{"b", nil},
+        &Node{"c", nil},
+    }}
+    b, err := json.MarshalIndent(tree, "", "   ")
+    if err != nil {
+        log.Fatal(err)
+    }
+    fmt.Println(string(b))
+}