Reformat

lib/stack.lua

@@ -1,61 +1,53 @@
-local Position = require("lib.position")
-
----@class Stack
----@field elements Position[]
-local Stack = {}
-Stack.__index = Stack
-
-
----@return Stack
-function Stack:Create()
-  -- stack table
-  local t = {}
-  setmetatable(t, Stack)
-
-  -- entry table
-  t.elements = {}
-
-  return t
-end
-
-
----@param element Position
-function Stack:Push(element)
-    if element == nil or element == {} then
-        printError("Failed to push empty element to the stack!")
-        return
-    end
-
-    table.insert(self.elements, element)
-end
-
-
----@return Position | nil
-function Stack:Pop()
-    if self:Count() == 0 then
-        printError("Failed to pop element from the empty stack!")
-        return nil
-    end
-
-    return table.remove(self.elements)
-end
-
-
----@return Position | nil
-function Stack:Peek()
-    if self:Count() == 0 then
-        printError("Failed to peek element from the empty stack!")
-        return nil
-    end
-
-    return self.elements[#self.elements]
-end
-
-
----@return number
-function Stack:Count()
-    return #self.elements
-end
-
-
-return Stack
+---@class Stack
+---@field elements Position[]
+local Stack = {}
+Stack.__index = Stack
+
+---@return Stack
+function Stack:Create()
+	-- stack table
+	local t = {}
+	setmetatable(t, Stack)
+
+	-- entry table
+	t.elements = {}
+
+	return t
+end
+
+---@param element Position
+function Stack:Push(element)
+	if element == nil or element == {} then
+		printError("Failed to push empty element to the stack!")
+		return
+	end
+
+	table.insert(self.elements, element)
+end
+
+---@return Position | nil
+function Stack:Pop()
+	if self:Count() == 0 then
+		printError("Failed to pop element from the empty stack!")
+		return nil
+	end
+
+	return table.remove(self.elements)
+end
+
+---@return Position | nil
+function Stack:Peek()
+	if self:Count() == 0 then
+		printError("Failed to peek element from the empty stack!")
+		return nil
+	end
+
+	return self.elements[#self.elements]
+end
+
+---@return number
+function Stack:Count()
+	return #self.elements
+end
+
+return Stack