hasValueBody

                pub fn hasValueBody(id: Id) bool {
                    return switch (id) {
                        .extern_const_simple,
                        .extern_const,
                        .pub_extern_const_simple,
                        .pub_extern_const,
                        .extern_var,
                        .extern_var_threadlocal,
                        .pub_extern_var,
                        .pub_extern_var_threadlocal,
                        => false, // externs do not have values
                        else => true,
                    };
                }