Finally figured out how I want atoms to work

orchid-api-derive/src/decode.rs

@@ -12,7 +12,7 @@ pub fn derive(input: TokenStream) -> TokenStream {
   let decode = decode_body(&input.data);
   let expanded = quote! {
     impl #impl_generics orchid_api_traits::Decode for #name #ty_generics #where_clause {
-      fn decode<R: std::io::Read>(read: &mut R) -> Self { #decode }
+      fn decode<R: std::io::Read + ?Sized>(read: &mut R) -> Self { #decode }
     }
   };
   TokenStream::from(expanded)

orchid-api-derive/src/encode.rs

@@ -1,4 +1,3 @@
-
 use proc_macro::TokenStream;
 use proc_macro2 as pm2;
 use quote::ToTokens;
@@ -15,7 +14,7 @@ pub fn derive(input: TokenStream) -> TokenStream {
   let encode = encode_body(&input.data);
   let expanded = quote! {
     impl #e_impl_generics orchid_api_traits::Encode for #name #e_ty_generics #e_where_clause {
-      fn encode<W: std::io::Write>(&self, write: &mut W) { #encode }
+      fn encode<W: std::io::Write + ?Sized>(&self, write: &mut W) { #encode }
     }
   };
   TokenStream::from(expanded)
@@ -65,4 +64,3 @@ fn encode_items(fields: &syn::Fields) -> Option<pm2::TokenStream> {
       Some(encode_names((0..fields.len()).map(|i| pos_field_name(i, un.span())))),
   }
 }
-

orchid-api-derive/src/hierarchy.rs

@@ -60,7 +60,7 @@ fn gen_casts(ancestry: &[pm2::TokenStream], this: &pm2::TokenStream) -> pm2::Tok
               _ => false
             }
           }
-        }
+        },
       }
     }
     let chk = gen_chk(inter, this);
@@ -75,7 +75,7 @@ fn gen_casts(ancestry: &[pm2::TokenStream], this: &pm2::TokenStream) -> pm2::Tok
               _ => unreachable!("Checked above!"),
             }
           }
-        }
+        },
       }
     }
     let unpk = gen_unpk(inter, this);
@@ -104,8 +104,8 @@ fn get_ancestry(input: &DeriveInput) -> Option<Vec<pm2::TokenStream>> {
     match &attr.meta {
       syn::Meta::List(list) => (list.tokens.clone().into_iter())
         .batching(|it| {
-          let grp: pm2::TokenStream = it
-            .take_while(|t| {
+          let grp: pm2::TokenStream =
+            it.take_while(|t| {
               if let TokenTree::Punct(punct) = t { punct.as_char() != ',' } else { true }
             })
             .collect();
@@ -122,6 +122,4 @@ fn is_extendable(input: &DeriveInput) -> bool {
 }
 
 #[test]
-fn test_wtf() {
-  eprintln!("{}", gen_casts(&[quote!(ExtHostReq)], &quote!(BogusReq)))
-}
+fn test_wtf() { eprintln!("{}", gen_casts(&[quote!(ExtHostReq)], &quote!(BogusReq))) }