core: lua compat 5.1/5.4/luajit

1 files changed, 9 insertions, 0 deletions

diff --git a/core/lua/astal/variable.lua b/core/lua/astal/variable.lua
index 662eee7..bd95edb 100644
--- a/core/lua/astal/variable.lua
+++ b/core/lua/astal/variable.lua
@@ -5,6 +5,15 @@ local Binding = require("astal.binding")
 local Time = require("astal.time")
 local Process = require("astal.process")
 
+local function unpack(t, i)
+    i = i or 1
+    if t[i] == nil then
+        return nil
+	else
+        return t[i], unpack(t, i + 1)
+    end
+end
+
 ---@class Variable
 ---@field private variable table
 ---@field private err_handler? function