diff options
Diffstat (limited to 'Doc')
| -rw-r--r-- | Doc/library/collections.rst | 2 | ||||
| -rw-r--r-- | Doc/library/struct.rst | 10 |
2 files changed, 11 insertions, 1 deletions
diff --git a/Doc/library/collections.rst b/Doc/library/collections.rst index a5cffdd..5035ac9 100644 --- a/Doc/library/collections.rst +++ b/Doc/library/collections.rst @@ -113,7 +113,7 @@ Notes on using :class:`Set` and :class:`MutableSet` as a mixin: Since some set operations create new sets, the default mixin methods need a way to create new instances from an iterable. The class constructor is assumed to have a signature in the form ``ClassName(iterable)``. - That assumption is factored-out to a single internal classmethod called + That assumption is factored-out to an internal classmethod called :meth:`_from_iterable` which calls ``cls(iterable)`` to produce a new set. If the :class:`Set` mixin is being used in a class with a different constructor signature, you will need to override :meth:`from_iterable` diff --git a/Doc/library/struct.rst b/Doc/library/struct.rst index a1832a1..282483d 100644 --- a/Doc/library/struct.rst +++ b/Doc/library/struct.rst @@ -216,6 +216,16 @@ end, assuming longs are aligned on 4-byte boundaries. This only works when native size and alignment are in effect; standard size and alignment does not enforce any alignment. +Unpacked fields can be named by assigning them to variables or by wrapping +the result in a named tuple:: + + >>> record = 'raymond \x32\x12\x08\x01\x08' + >>> name, serialnum, school, gradelevel = unpack('<10sHHb', record) + + >>> from collections import namedtuple + >>> Student = namedtuple('Student', 'name serialnum school gradelevel') + >>> Student._make(unpack('<10sHHb', s)) + Student(name='raymond ', serialnum=4658, school=264, gradelevel=8) .. seealso:: |