Impossible to return a pointer in an Union

[krichprollsch]

I would like be able to return a pointer to an object via the Union.

Example with html/Window from https://github.com/lightpanda-io/browser, the following Union declaration:

const generate = @import("../generate.zig");                                     
pub const Interfaces = generate.Tuple(.{                                         
    Window,                                                                      
});                                                                              
const Generated = generate.Union.compile(Interfaces);                            
pub const Union = Generated._union;                                              
pub const Tags = Generated._enum; 

Adding this function doesn't compile.

    pub fn get_window(self: *Window) Union {                                     
        return .{ .Window = self };                                            
    }  

$ zig build
install
└─ install lightpanda
   └─ zig build-exe lightpanda Debug native 1 errors
src/html/window.zig:81:29: error: expected type 'html.window.Window', found '*html.window.Window'
        return .{ .Window = self };
                            ^~~~
src/html/window.zig:43:20: note: struct declared here
pub const Window = struct {
                   ^~~~~~
referenced by:
    callFunc__anon_29998: vendor/zig-js-runtime/src/engines/v8/generate.zig:916:22
    getter: vendor/zig-js-runtime/src/engines/v8/generate.zig:1029:21
    remaining reference traces hidden; use '-freference-trace' to see all reference traces

But this one works.

    pub fn get_window(self: *Window) Union {                                     
        return .{ .Window = self.* };                                            
    }