- Implemented functional object-oriented programming.

2 files changed, 49 insertions, 0 deletions

diff --git a/stdlib/test/test/lux/paradigm/object.lux b/stdlib/test/test/lux/paradigm/object.lux
new file mode 100644
index 000000000..0171ab41f
--- /dev/null
+++ b/stdlib/test/test/lux/paradigm/object.lux
@@ -0,0 +1,48 @@
+(;module:
+  lux
+  (lux (data (coll [list]))
+       (paradigm object)))
+
+(interface: (Queue a)
+  (push [a] @)
+  (peek [] (Maybe a))
+  (pop [] @)
+  (size [] Nat))
+
+(class: (List-Queue a) (Queue a)
+  (List a)
+  
+  (def: (push a)
+    (update! (|>. (#;Cons a))))
+
+  (def: peek
+    (|>. get! list;head))
+
+  (def: pop
+    (update! (function [state] (|> state list;tail (default state)))))
+  
+  (def: size
+    (|>. get! list;size)))
+
+(type: Coord [Real Real])
+(type: Angle Real)
+
+(interface: Geometry
+  (translate [Coord] @)
+  (rotate [Coord Angle] @)
+  (scale [Real Real] @))
+
+(class: Point Geometry
+  {#label Text
+   #coord Coord}
+  (def: (translate coord self) self)
+  (def: (rotate coord angle self) self)
+  (def: (scale width height self) self))
+
+(def: queue0 (|> (new-List-Queue (list))
+                 (: (Queue Nat))
+                 (push +123)
+                 (push +456)
+                 (push +789)
+                 pop))
+(def: point0 (new-Point ["YOLO" [123.4 567.8]]))
diff --git a/stdlib/test/tests.lux b/stdlib/test/tests.lux
index b55373330..0a609ce13 100644
--- a/stdlib/test/tests.lux
+++ b/stdlib/test/tests.lux
@@ -67,6 +67,7 @@
              ["_;" type]
              (type ["_;" check]
                    ["_;" auto])
+             (paradigm ["_;" object])
              ))
   (lux (control [contract])
        (data [env]