> The language reference says that sync functions are turned async if they call async functions. This implies virality of async on functions, which implies that

> The language reference says that sync functions are turned async if they call async functions. This implies virality of async on functions, which implies that many functions are definitely async-only. > If the compiler does something different, which it would have to if it actually makes two different versions of each function, then the language reference is wrong. Like I said, accuracy matters, so I would also like to see changes in the Zig language reference about this if that's the case. To be clear, do you expect this function fn invokeFoo(a: anytype, b: anytype) @TypeOf(a) { return a.foo(b); } to have only one representation at runtime, and for that one representation to be either async or not async?