Add table.key_value_swap (#9248)

2020-01-04 15:44:48 +01:00
parent 3ad92baa9c
commit f9c7e46a34
2 changed files with 11 additions and 0 deletions
--- a/builtin/common/misc_helpers.lua
+++ b/builtin/common/misc_helpers.lua
@@ -575,6 +575,15 @@ function table.insert_all(t, other)
 end


+function table.key_value_swap(t)
+	local ti = {}
+	for k,v in pairs(t) do
+		ti[v] = k
+	end
+	return ti
+end
+
+
 --------------------------------------------------------------------------------
 -- mainmenu only functions
 --------------------------------------------------------------------------------