Merge pull request #383 from pfalcon/yield-from

Implement "yield from"

1 files changed, 42 insertions, 0 deletions

diff --git a/tests/basics/gen-yield-from.py b/tests/basics/gen-yield-from.py
new file mode 100644
index 0000000000..5196b48d2b
--- /dev/null
+++ b/tests/basics/gen-yield-from.py
@@ -0,0 +1,42 @@
+# Case of terminating subgen using return with value
+def gen():
+    yield 1
+    yield 2
+    return 3
+
+def gen2():
+    print("here1")
+    print((yield from gen()))
+    print("here2")
+
+g = gen2()
+print(list(g))
+
+
+# Like above, but terminate subgen using StopIteration
+def gen3():
+    yield 1
+    yield 2
+    raise StopIteration
+
+def gen4():
+    print("here1")
+    print((yield from gen3()))
+    print("here2")
+
+g = gen4()
+print(list(g))
+
+# Like above, but terminate subgen using StopIteration with value
+def gen5():
+    yield 1
+    yield 2
+    raise StopIteration(123)
+
+def gen6():
+    print("here1")
+    print((yield from gen5()))
+    print("here2")
+
+g = gen6()
+print(list(g))