From 9f5de0d3a6c74a2321787b61dc94b5c343f57274 Mon Sep 17 00:00:00 2001
From: Lars Mueller <appgurulars@gmx.de>
Date: Sat, 12 Dec 2020 15:55:09 +0100
Subject: [PATCH] Add table.nilget

---
 table.lua | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/table.lua b/table.lua
index dbf056a..3c485b8 100644
--- a/table.lua
+++ b/table.lua
@@ -15,6 +15,21 @@ function set_case_insensitive_index(table)
     return map_index(table, string.lower)
 end
 
+function nilget(table, key, ...)
+    assert(key ~= nil)
+    local function nilget(table, key, ...)
+        if key == nil then
+            return table
+        end
+        local value = table[key]
+        if value == nil then
+            return nil
+        end
+        return nilget(value, ...)
+    end
+    return nilget(table, key, ...)
+end
+
 -- Fisher-Yates
 function shuffle(table)
     for index = 1, #table - 1 do