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Diffstat (limited to 'Doc/c-api/iter.rst')
| -rw-r--r-- | Doc/c-api/iter.rst | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/Doc/c-api/iter.rst b/Doc/c-api/iter.rst index 3f0f554dad..2ba444d1de 100644 --- a/Doc/c-api/iter.rst +++ b/Doc/c-api/iter.rst @@ -5,7 +5,7 @@ Iterator Protocol ================= -There are only a couple of functions specifically for working with iterators. +There are two functions specifically for working with iterators. .. c:function:: int PyIter_Check(PyObject *o) @@ -14,11 +14,10 @@ There are only a couple of functions specifically for working with iterators. .. c:function:: PyObject* PyIter_Next(PyObject *o) - Return the next value from the iteration *o*. If the object is an iterator, - this retrieves the next value from the iteration, and returns *NULL* with no - exception set if there are no remaining items. If the object is not an - iterator, :exc:`TypeError` is raised, or if there is an error in retrieving the - item, returns *NULL* and passes along the exception. + Return the next value from the iteration *o*. The object must be an iterator + (it is up to the caller to check this). If there are no remaining values, + returns *NULL* with no exception set. If an error occurs while retrieving + the item, returns *NULL* and passes along the exception. To write a loop which iterates over an iterator, the C code should look something like this:: |