From 1b18b212a5705a232eb843dd118c302fc2cdc6b0 Mon Sep 17 00:00:00 2001
From: David Irvine <david.irvine@maidsafe.net>
Date: Fri, 15 Nov 2024 13:17:00 +0000
Subject: [PATCH] doc: update data_map.rs with comment

---
 src/data_map.rs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/data_map.rs b/src/data_map.rs
index 978029f41..f26a7e28f 100644
--- a/src/data_map.rs
+++ b/src/data_map.rs
@@ -19,7 +19,8 @@ use xor_name::XorName;
 pub struct DataMap {
     /// List of chunk hashes
     pub chunk_identifiers: Vec<ChunkInfo>,
-    /// Child value
+    /// Child value, None means root data map and any other valuesignifies how 
+    /// many levels of data map we have shrunk
     pub child: Option<usize>,
 }