ruma_macros/serde/
serialize_as_ref_str.rs

1use proc_macro2::{Ident, TokenStream};
2use quote::quote;
3
4use crate::util::import_ruma_common;
5
6pub fn expand_serialize_as_ref_str(ident: &Ident) -> syn::Result<TokenStream> {
7    let ruma_common = import_ruma_common();
8
9    Ok(quote! {
10        #[automatically_derived]
11        #[allow(deprecated)]
12        impl #ruma_common::exports::serde::ser::Serialize for #ident {
13            fn serialize<S>(&self, serializer: S) -> ::std::result::Result<S::Ok, S::Error>
14            where
15                S: #ruma_common::exports::serde::ser::Serializer,
16            {
17                ::std::convert::AsRef::<::std::primitive::str>::as_ref(self).serialize(serializer)
18            }
19        }
20    })
21}