LuaLS Test

example.lua

@@ -0,0 +1,31 @@
+---@generic Element: Animal
+---@class Animal
+---@field setName fun(self: Element, name: string): Element
+local Animal = {}
+
+---@class Dog : Animal
+---@field setSpeed fun(self: Dog, speed: number): Dog
+local Dog = setmetatable({}, { __index = Animal })
+
+---@generic Element: Animal
+---@param self Element
+---@param length string
+---@return Element
+function Animal:setLength(length)
+    self.length = length
+    return self
+end
+
+function Dog:setSpeed(speed)
+    self.speed = speed
+    return self
+end
+
+---@return Dog
+function Dog.new()
+    return setmetatable({}, { __index = Dog })
+end
+
+local dog = Dog.new()
+dog:setName("Rex")
+   :setSpeed(10)