1// File: src/lib.rs 2 3 4// use proc_macro2::{ Span}; 5use proc_macro::TokenStream; 6// use quote::quote; 7use syn::{parse_macro_input, DeriveInput}; 8 9 10 11#[proc_macro] 12pub fn view(input: TokenStream) -> TokenStream { 13 input 14}