Author terry.reedy
Recipients docs@python, giampaolo.rodola, techtonik, terry.reedy
Date 2010-06-21.19:13:51
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Message-id <1277147633.03.0.107110137762.issue9021@psf.upfronthosting.co.za>
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Content
The intro paragraph currently (3.2a) consists of
"This module provides generic (shallow and deep) copying operations."

This could be expanded to '''
Assignment statements create bindings between a target and an object. They never duplicate or copy an existing object. For collections that are mutable or contain mutable items, a copy is sometimes needed so one can change one copy without changing the other. Sequences can be shallow copied by slicing the entire sequence(s[:]). (See below for the meaning of 'shallow'.) Some objects can be shallow copied with their class constructors (tuple, list, set, dict). This module provides generic shallow *and* deep copying operations. The latter is not otherwise available in an single operation or call.'''
History
Date User Action Args
2010-06-21 19:13:53terry.reedysetrecipients: + terry.reedy, techtonik, giampaolo.rodola, docs@python
2010-06-21 19:13:53terry.reedysetmessageid: <1277147633.03.0.107110137762.issue9021@psf.upfronthosting.co.za>
2010-06-21 19:13:51terry.reedylinkissue9021 messages
2010-06-21 19:13:51terry.reedycreate