[Python-Dev] Re: Re: anonymous blocks
Greg Ewing
greg.ewing at canterbury.ac.nz
Tue Apr 26 06:45:14 CEST 2005
Terry Reedy wrote:
>>Not supporting iterables makes it harder to write a class which is
>>inherently usable in a with block, though. The natural way to make
>>iterable classes is to use 'yield' in the definition of __iter__ - if
>>iter() is not called, then that trick can't be used.
If you're defining it by means of a generator, you don't
need a class at all -- just make the whole thing a generator
function.
--
Greg Ewing, Computer Science Dept, +--------------------------------------+
University of Canterbury, | A citizen of NewZealandCorp, a |
Christchurch, New Zealand | wholly-owned subsidiary of USA Inc. |
greg.ewing at canterbury.ac.nz +--------------------------------------+
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