py: make closures work.

2 files changed, 32 insertions, 0 deletions

diff --git a/tests/basics/tests/closure1.py b/tests/basics/tests/closure1.py
new file mode 100644
index 000000000..610cb7002
--- /dev/null
+++ b/tests/basics/tests/closure1.py
@@ -0,0 +1,16 @@
+# closures
+
+def f(x):
+    y = 2 * x
+    def g(z):
+        return y + z
+    return g
+
+print(f(1)(1))
+
+x = f(2)
+y = f(3)
+print(x(1), x(2), x(3))
+print(y(1), y(2), y(3))
+print(x(1), x(2), x(3))
+print(y(1), y(2), y(3))
diff --git a/tests/basics/tests/closure2.py b/tests/basics/tests/closure2.py
new file mode 100644
index 000000000..e4e5154a9
--- /dev/null
+++ b/tests/basics/tests/closure2.py
@@ -0,0 +1,16 @@
+# closures; closing over an argument
+
+def f(x):
+    y = 2 * x
+    def g(z):
+        return x + y + z
+    return g
+
+print(f(1)(1))
+
+x = f(2)
+y = f(3)
+print(x(1), x(2), x(3))
+print(y(1), y(2), y(3))
+print(x(1), x(2), x(3))
+print(y(1), y(2), y(3))