> This is my biggest misgiving with C# async. What fraction of projects can actually "just" refactor everything, all at once? You don't have to. Simple heuris

> This is my biggest misgiving with C# async. What fraction of projects can actually "just" refactor everything, all at once? You don't have to. Simple heuristic: greenfield? async/await all the ways down. Brownfield? Block. Easy.