From aa85f75d6d1c2a799a167cded435173025424af7 Mon Sep 17 00:00:00 2001
From: Lars Mueller <appgurulars@gmx.de>
Date: Sun, 10 Jul 2022 13:07:11 +0200
Subject: [PATCH] Add table.merge

---
 table.lua | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/table.lua b/table.lua
index bd04527..e60bcc8 100644
--- a/table.lua
+++ b/table.lua
@@ -538,6 +538,25 @@ function deepcomplete(table, completions)
 	return table
 end
 
+function merge(table, other_table, merge_func)
+	merge_func = merge_func or merge
+	local res = {}
+	for key, value in pairs(table) do
+		local other_value = other_table[key]
+		if other_value == nil then
+			res[key] = value
+		else
+			res[key] = merge_func(value, other_value)
+		end
+	end
+	for key, value in pairs(other_table) do
+		if table[key] == nil then
+			res[key] = value
+		end
+	end
+	return res
+end
+
 function merge_tables(table, other_table)
 	return add_all(shallowcopy(table), other_table)
 end