Created
October 23, 2023 04:05
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display using debug
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| use proc_macro::TokenStream; | |
| use quote::quote; | |
| use syn::{parse_macro_input, DeriveInput}; | |
| #[proc_macro_derive(DisplayUsingDebug)] | |
| pub fn derive_display_using_debug(input: TokenStream) -> TokenStream { | |
| let ast = parse_macro_input!(input as DeriveInput); | |
| let name = ast.ident; | |
| TokenStream::from(quote! { | |
| impl std::fmt::Display for #name { | |
| fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result { | |
| write!(f, "{:?}", self) | |
| } | |
| } | |
| }) | |
| } |
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