INNER CODE UNIT · Rust

silent_debug

0xMiden/crypto · miden-crypto-derive/src/lib.rs:26

pub fn silent_debug(input: TokenStream) -> TokenStream {
    let ast = parse_macro_input!(input as DeriveInput);
    let name = &ast.ident;
    let (impl_generics, ty_generics, where_clause) = ast.generics.split_for_impl();

    let expanded = quote! {
        // In order to ensure that secrets are never leaked, Debug is elided
        impl #impl_generics ::core::fmt::Debug for #name #ty_generics #where_clause {
            fn fmt(&self, f: &mut ::core::fmt::Formatter<'_>) -> ::core::fmt::Result {
                write!(f, "<elided secret for {}>", stringify!(#name))
            }
        }
    };

    TokenStream::from(expanded)
}

// SILENT DISPLAY MACRO

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