Initial data commit

Task/Stack/AutoHotkey/stack.ahk

@@ -0,0 +1,39 @@
+msgbox % stack("push", 4)
+msgbox % stack("push", 5)
+msgbox % stack("peek")
+msgbox % stack("pop")
+msgbox % stack("peek")
+msgbox % stack("empty")
+msgbox % stack("pop")
+msgbox % stack("empty")
+return
+
+stack(command, value = 0)
+{
+  static
+if !pointer
+pointer = 10000
+  if (command = "push")
+  {
+  _p%pointer% := value
+  pointer -= 1
+  return value
+  }
+  if (command = "pop")
+  {
+    pointer += 1
+    return _p%pointer%
+  }
+  if (command = "peek")
+{
+next := pointer + 1
+return _p%next%
+}
+  if (command = "empty")
+  {
+   if (pointer == 10000)
+    return "empty"
+else
+return 0
+  }
+}