Test doctests in operator docs.

This commit is contained in:
Georg Brandl 2008-03-22 21:26:44 +00:00
parent 3f04303ba4
commit 4f0f34f131
1 changed files with 12 additions and 11 deletions

View File

@ -415,7 +415,7 @@ objects.
Be careful not to misinterpret the results of these functions; only
:func:`isCallable` has any measure of reliability with instance objects.
For example::
For example:
>>> class C:
... pass
@ -479,13 +479,14 @@ objects.
useful than it otherwise might be.
Example: Build a dictionary that maps the ordinals from ``0`` to ``255`` to
their character equivalents. ::
their character equivalents.
>>> import operator
>>> d = {}
>>> keys = range(256)
>>> vals = map(chr, keys)
>>> map(operator.setitem, [d]*len(keys), keys, vals)
[None, None, ..., None]
.. XXX: find a better, readable, example
@ -533,14 +534,15 @@ expect a function argument.
The items can be any type accepted by the operand's :meth:`__getitem__`
method. Dictionaries accept any hashable value. Lists, tuples, and
strings accept an index or a slice::
strings accept an index or a slice:
>>> itemgetter(1)('ABCDEFG')
'B'
>>> itemgetter(1,3,5)('ABCDEFG')
('B', 'D', 'F')
>>> itemgetter(slice(2,None))('ABCDEFG')
'CDEFG'
>>> from operator import itemgetter
>>> itemgetter(1)('ABCDEFG')
'B'
>>> itemgetter(1,3,5)('ABCDEFG')
('B', 'D', 'F')
>>> itemgetter(slice(2,None))('ABCDEFG')
'CDEFG'
.. versionadded:: 2.4
@ -548,9 +550,8 @@ expect a function argument.
Added support for multiple item extraction.
Example of using :func:`itemgetter` to retrieve specific fields from a
tuple record::
tuple record:
>>> from operator import itemgetter
>>> inventory = [('apple', 3), ('banana', 2), ('pear', 5), ('orange', 1)]
>>> getcount = itemgetter(1)
>>> map(getcount, inventory)