use proc_macro::TokenStream;
use syn::Data;
pub(crate) fn impl_macro_db_mapper(input: &syn::DeriveInput) -> TokenStream {
let struct_name = &input.ident;
match &input.data {
Data::Struct(_) => (),
_ => panic!("error: #[derive(Builder)] is only supported for structs"),
};
TokenStream::new()
}