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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