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

2017-11-28 10:50:53 +11:00 · 2017-11-28 10:50:53 +11:00 · 63f47104fe
parent 7cf446f3da
commit 63f47104fe
1 changed files with 12 additions and 0 deletions
--- 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))