diff options
| author | Nick Coghlan <ncoghlan@gmail.com> | 2012-06-07 12:57:35 (GMT) |
|---|---|---|
| committer | Nick Coghlan <ncoghlan@gmail.com> | 2012-06-07 12:57:35 (GMT) |
| commit | 0a09f3e2c32677b30414a3af93b9bc1841606326 (patch) | |
| tree | 09d305ed473f8813488347f8ca89359c666f27d2 | |
| parent | e93bc51b5982c329a6065eb83ac1dea5efb02bd7 (diff) | |
| download | cpython-0a09f3e2c32677b30414a3af93b9bc1841606326.zip cpython-0a09f3e2c32677b30414a3af93b9bc1841606326.tar.gz cpython-0a09f3e2c32677b30414a3af93b9bc1841606326.tar.bz2 | |
Nudge readers towards a more accurate mental model for loop else clauses (Backport from 3.x)
| -rw-r--r-- | Doc/tutorial/controlflow.rst | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/Doc/tutorial/controlflow.rst b/Doc/tutorial/controlflow.rst index 24c02eb..59b7fff 100644 --- a/Doc/tutorial/controlflow.rst +++ b/Doc/tutorial/controlflow.rst @@ -159,6 +159,13 @@ following loop, which searches for prime numbers:: (Yes, this is the correct code. Look closely: the ``else`` clause belongs to the :keyword:`for` loop, **not** the :keyword:`if` statement.) +When used with a loop, the ``else`` clause has more in common with the +``else`` clause of a :keyword:`try` statement than it does that of +:keyword:`if` statements: a :keyword:`try` statement's ``else`` clause runs +when no exception occurs, and a loop's ``else`` clause runs when no ``break`` +occurs. For more on the :keyword:`try` statement and exceptions, see +:ref:`tut-handling`. + .. _tut-pass: |