```zig
pub const Obj = struct {
    pub fn get() *Obj {
        // ...
    }

    pub fn wrap(self: *Obj, async_fn: comptime fn() callconv(.Async) void) void {
        var frame = async self.internalWrap(async_fn);
        // ...
        nosuspend await frame;
    }

    fn internalWrap(self: *Obj, async_fn: comptime fn() callconv(.Async) void) void {
        suspend {
            // ...
        }

        var bytes: [1024]u8 align(@alignOf(@Frame(async_fn))) = undefined;
        var frame = @asyncCall(&bytes, null, async_fn, .{});
        await frame;
    }
}

pub fn main() void {
    Obj.get().wrap(asyncFn);
}

pub fn asyncFn() void {
    suspend;
}
```