tests/cpydiff: Add difference-test for second arg of builtin next().

dpgeorge · dpgeorge · commit 63f47104feec · 2017-11-28T10:50:53.000+11:00
diff --git a/tests/cpydiff/builtin_next_arg2.py b/tests/cpydiff/builtin_next_arg2.py
@@ -0,0 +1,12 @@
+"""
+categories: Modules,builtins
+description: Second argument to next() is not implemented
+cause: MicroPython is optimised for code space.
+workaround: Instead of `val = next(it, deflt)` use::
+
+    try:
+        val = next(it)
+    except StopIteration:
+        val = deflt
+"""
+print(next(iter(range(0)), 42))
