The Old New Thing

C++ coroutines: Short-circuiting suspension, part 1

Raymond ChenDecember 13, 2019Dec 13, 201912/13/19

Avoiding needless stack buildup.

C++ coroutines: Awaiting an IAsyncAction without preserving thread context

Raymond ChenDecember 12, 2019Dec 12, 201912/12/19

Another use for a custom awaiter.

C++ coroutines: Framework interop

Raymond ChenDecember 11, 2019Dec 11, 201912/11/19

Plays well with others.

C++ coroutines: Constructible awaitable or function returning awaitable?

Raymond ChenDecember 10, 2019Dec 10, 201912/10/19

Two common patterns for simple awaitable objects.

C++ coroutines: Getting started with awaitable objects

Raymond ChenDecember 9, 2019Dec 9, 201912/9/19

Starting our walk-around.

In C++/WinRT, what happens when I treat an IInspectable as or convert one to a bool

Raymond ChenDecember 6, 2019Dec 6, 201912/6/19

Much less weird than C++/CX.

In C++/CX, hat pointers are contextually convertible to bool, but you can’t always static_cast them to bool

Raymond ChenDecember 5, 2019Dec 5, 201912/5/19

Because C++/CX is weird like that.

Not actually crossing the airtight hatchway: Harmless out-of-bounds read that is never disclosed

Raymond ChenDecember 4, 2019Dec 4, 201912/4/19

There's no way to make anything bad happen, so is anything bad actually happening?

The automotive emergency kit is not a toy

Raymond ChenDecember 3, 2019Dec 3, 201912/3/19

Please use it only for emergencies.

When should I use delayed-marshaling when creating an agile reference?

Raymond ChenDecember 2, 2019Dec 2, 201912/2/19

It's a balance between doing more work now in anticipation of saving work later.