Craeting a @Struct, @Union is it possible to add const fields inside the namespace

Help
,
1

I want to generate a struct at comptime with a const field inside the namespace.
The expected result would be like this.

const x = struct {
    const desc = "";
}

Or this is not permitted for the same reason function are?

2

It is not possible to add declarations (const, var, fn) to reified types.