Class _Iterable
Instruction --+
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Stage --+
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_Iterable
Wrapper for iterable objects, pass in a next() function
This wraps functions (or bound methods). Execution starts with the
initial function. If the return value is a Stage, then control passes on
to that stage for the next round of execution. If the return value is
Cooperate, then the chain of Stages is put on hold, and this return value
travels all the way up the call stack so that the underlying mechanism
can sleep, or perform other tasks, etc. All other non-Instruction return
values, Failure objects included, are passed back to the previous stage
via self.result
All exceptions signal the end of the Stage. StopIteration means to
stop without providing a result, while all other exceptions provide a
Failure self.result followed by stoppage.
| Method Summary |
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__init__(self,
iterable,
*trap)
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_yield(self)
executed during a yield statement |
| Inherited from Stage |
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__iter__(self) |
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next(self)
return current result |