From 7512a945b2be0c5c325891091b84514fc1fc499a Mon Sep 17 00:00:00 2001
From: Gaurav Agarwal <algogrit@gmail.com>
Date: Wed, 20 Mar 2024 15:24:44 +0530
Subject: [PATCH] Adding a nested DS example.

---
 examples/03-ds/nested_ds_companies.exs | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100644 examples/03-ds/nested_ds_companies.exs

diff --git a/examples/03-ds/nested_ds_companies.exs b/examples/03-ds/nested_ds_companies.exs
new file mode 100644
index 0000000..8cddb37
--- /dev/null
+++ b/examples/03-ds/nested_ds_companies.exs
@@ -0,0 +1,19 @@
+m = %{}
+
+# cm_emp = m["CoderMana"]
+# cm_emp = (cm_emp || []) ++ ["G A"]
+# Map.put m, "CoderMana", cm_emp
+
+# (or)
+
+m = update_in m, ["CoderMana"], fn (cm_emp) -> (cm_emp || []) ++ ["G A"] end
+# update_in m, ["CoderMana"], fn (cm_emp) -> ["G A" | (cm_emp || [])] end
+
+# ---
+
+m = %{
+  "Toshiba" => ["Bhautik", "Saraswati", "Nagaraj"],
+  "CoderMana" => ["Gaurav"],
+}
+
+m = update_in m, ["CoderMana"], fn (cm_emp) -> (cm_emp ++ ["G A"]) end