[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

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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