1 files changed, 22 insertions, 0 deletions
diff --git a/docs/examples/userguide/early_binding_for_speed/rectangle.py b/docs/examples/userguide/early_binding_for_speed/rectangle.py
new file mode 100644
index 000000000..cd534d051
--- /dev/null
+++ b/docs/examples/userguide/early_binding_for_speed/rectangle.py
@@ -0,0 +1,22 @@
+@cython.cclass
+class Rectangle:
+    x0: cython.int
+    y0: cython.int
+    x1: cython.int
+    y1: cython.int
+
+    def __init__(self, x0: cython.int, y0: cython.int, x1: cython.int, y1: cython.int):
+        self.x0 = x0
+        self.y0 = y0
+        self.x1 = x1
+        self.y1 = y1
+
+    def area(self):
+        area = (self.x1 - self.x0) * (self.y1 - self.y0)
+        if area < 0:
+            area = -area
+        return area
+
+def rectArea(x0, y0, x1, y1):
+    rect = Rectangle(x0, y0, x1, y1)
+    return rect.area()