The Old New Thing

A subtle way your await_suspend can access the coroutine frame when it shouldn’t

Raymond Chen May 7, 2021 May 7, 2021 05/7/21

Hiding in the coroutine machinery.

Is std::exception_ptr nothrow constructible and assignable?

Raymond Chen May 6, 2021 May 6, 2021 05/6/21

Yes, buried in the fine print.

Why is coroutine_handle::resume() potentially-throwing?

Raymond Chen May 5, 2021 May 5, 2021 05/5/21

It enables a very specific usage scenario.

A map through the three major coroutine series

Raymond Chen May 4, 2021 May 4, 2021 05/4/21

For your casual reading convenience.

C++ coroutines: Promise constructors

Raymond Chen May 4, 2021 May 4, 2021 05/4/21

Snooping on the coroutine parameters, with a gotcha.

C++ coroutines: Converting among tasks that use the same promise

Raymond Chen May 3, 2021 May 3, 2021 05/3/21

Keeping the promise in the dark.

C++ coroutines: Waiting synchronously for our coroutine to complete

Raymond Chen April 30, 2021 Apr 30, 2021 04/30/21

Using the extension point for another purpose.

C++ coroutines: Adding COM context support to our awaiter

Raymond Chen April 29, 2021 Apr 29, 2021 04/29/21

Getting into the correct context on resume.

C++ coroutines: Snooping in on the coroutine body

Raymond Chen April 28, 2021 Apr 28, 2021 04/28/21

Transformers are robots in disguise.

C++ coroutines: How do I create a coroutine that terminates on an unhandled exception?

Raymond Chen April 27, 2021 Apr 27, 2021 04/27/21

You need to get inside the coroutine.