1 files changed, 38 insertions, 0 deletions
diff --git a/Data/BuiltIn/Libraries/GameLab/Delegate.lua b/Data/BuiltIn/Libraries/GameLab/Delegate.lua
new file mode 100644
index 0000000..baa8e86
--- /dev/null
+++ b/Data/BuiltIn/Libraries/GameLab/Delegate.lua
@@ -0,0 +1,38 @@
+local delegate = {} 
+
+delegate.__index = delegate 
+
+delegate.Add = function(self, action)
+    table.insert(self.actions, action)
+    return self 
+end 
+
+delegate.Remove = function(self, action)
+    table.remove(self.actions, action)
+    return self 
+end 
+
+delegate.Invoke = function(self, ...) 
+    for _, f in ipairs(self.actions) do 
+        if f then 
+            f(...) 
+        end 
+    end 
+end 
+
+delegate.__call = function(self, ...) 
+    self:Invoke(...)
+end 
+
+local mt = {} 
+mt.__call = function() 
+    local d = {} 
+    d.actions = {} 
+    setmetatable(d, delegate)
+    return d 
+end 
+setmetatable(delegate, mt)
+
+GameLab.Delegate = delegate
+
+return delegate
+\ No newline at end of file