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Edit README to assume less background knowledge #26

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@njsmith njsmith commented Feb 1, 2019

Mainly to clarify that the async generator and async context manager
examples are actually two different examples, since Ninpo found this
confusing. But then once I started editing I of course changed more
than that :-).

Mainly to clarify that the async generator and async context manager
examples are actually two different examples, since Ninpo found this
confusing. But then once I started editing I of course changed more
than that :-).
@njsmith njsmith requested a review from Ninpo February 1, 2019 09:43
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codecov bot commented Feb 1, 2019

Codecov Report

Merging #26 into master will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##            master       #26   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files            7         7           
  Lines          972      1026   +54     
  Branches        77        79    +2     
=========================================
+ Hits           972      1026   +54     
Impacted Files Coverage Δ
async_generator/_impl.py 100.00% <0.00%> (ø)
async_generator/_util.py 100.00% <0.00%> (ø)
async_generator/_tests/conftest.py 100.00% <0.00%> (ø)
async_generator/_tests/test_util.py 100.00% <0.00%> (ø)
async_generator/_tests/test_async_generator.py 100.00% <0.00%> (ø)

`async generators <https://www.python.org/dev/peps/pep-0525/>`__. Just
like regular generators, they're super convenient; the difference is
that now you loop over them using ``async for``, and this means you
can use ``await`` inside them. If you're not doing async programming,
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I'm worried this might not help the confusion between regular iterators, regular generators, async iterators (as introduced in 3.5 / PEP 492) and async generators (as introduced in 3.6 / PEP 525). This is not the place to go that deep in explanations. But since you're already giving pointers, it might be helpful to clarify that—just like generators are a nice way to write iterators—async generators are super useful to define async iterators.

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