@@ -66,6 +66,8 @@ Functions and classes provided:
6666 # Code to release resource, e.g.:
6767 release_resource(resource)
6868
69+ The function can then be used like this::
70+
6971 >>> with managed_resource(timeout=3600) as resource:
7072 ... # Resource is released at the end of this block,
7173 ... # even if code in the block raises an exception
@@ -140,9 +142,9 @@ Functions and classes provided:
140142 finally:
141143 print(f'it took {time.monotonic() - now}s to run')
142144
143-
144-
145-
145+ @timeit()
146+ async def main():
147+ # ... async code ...
146148
147149 When used as a decorator, a new generator instance is implicitly created on
148150 each function call. This allows the otherwise "one-shot" context managers
@@ -249,15 +251,15 @@ Functions and classes provided:
249251:ref: `asynchronous context managers <async-context-managers >`::
250252
251253 async def send_http(session=None):
252- if not session:
253- # If no http session, create it with aiohttp
254- cm = aiohttp.ClientSession()
255- else:
256- # Caller is responsible for closing the session
257- cm = nullcontext(session)
254+
255+
256+
257+
258+
259+
258260
259- async with cm as session:
260- # Send http requests with session
261+
262+
261263
262264 ..versionadded ::3.7
263265
@@ -379,6 +381,8 @@ Functions and classes provided:
379381 print('Finishing')
380382 return False
381383
384+ The class can then be used like this::
385+
382386 >>> @mycontext()
383387 ... def function():
384388 ... print('The bit in the middle')
@@ -449,6 +453,8 @@ Functions and classes provided:
449453 print('Finishing')
450454 return False
451455
456+ The class can then be used like this::
457+
452458 >>> @mycontext()
453459 ... async def function():
454460 ... print('The bit in the middle')