1 files changed, 6 insertions, 0 deletions
diff --git a/acf/util.lua b/acf/util.lua
index 8dd54cc..adb1e31 100644
--- a/acf/util.lua
+++ b/acf/util.lua
@@ -23,6 +23,12 @@ function copy(var)
    return type(var) == 'table' and setdefaults({}, var) or var
 end
 
+function keys(tbl)
+   local res = {}
+   for k, v in pairs(tbl) do table.insert(res, k) end
+   return res
+end
+
 function map(func, tbl)
    local res = {}
    for k, v in pairs(tbl) do res[k] = func(copy(v)) end