fn processor should have the same visibility as the input type

embedded-cli-macros/src/command/mod.rs

@@ -27,6 +27,7 @@ struct ServiceAttrs {
 pub fn derive_command(input: DeriveInput) -> Result<TokenStream> {
     let opts = ServiceAttrs::from_derive_input(&input)?;
     let DeriveInput {
+        vis,
         ident,
         data,
         generics,
@@ -66,7 +67,7 @@ pub fn derive_command(input: DeriveInput) -> Result<TokenStream> {
     } else {
         parse::derive_from_raw(&target, &commands)?
     };
-    let impl_processor = processor::impl_processor(&target)?;
+    let impl_processor = processor::impl_processor(&vis, &target)?;
 
     let output = quote! {
         #derive_autocomplete

embedded-cli-macros/src/group/mod.rs

@@ -11,6 +11,7 @@ mod command_group;
 
 pub fn derive_command_group(input: DeriveInput) -> Result<TokenStream> {
     let DeriveInput {
+        vis,
         ident,
         data,
         generics,
@@ -36,7 +37,7 @@ pub fn derive_command_group(input: DeriveInput) -> Result<TokenStream> {
     let derive_autocomplete = derive_autocomplete(&target, &groups);
     let derive_help = derive_help(&target, &groups);
     let derive_from_raw = derive_from_raw(&target, &groups);
-    let impl_processor = processor::impl_processor(&target)?;
+    let impl_processor = processor::impl_processor(&vis, &target)?;
 
     let output = quote! {
         #derive_autocomplete

embedded-cli-macros/src/processor.rs

@@ -1,18 +1,19 @@
 use darling::Result;
 use proc_macro2::TokenStream;
 use quote::quote;
+use syn::Visibility;
 
 use crate::utils::TargetType;
 
-pub fn impl_processor(target: &TargetType) -> Result<TokenStream> {
+pub fn impl_processor(vis: &Visibility, target: &TargetType) -> Result<TokenStream> {
     let ident = target.ident();
     let named_lifetime = target.named_lifetime();
     let unnamed_lifetime = target.unnamed_lifetime();
 
     let output = quote! {
 
         impl #named_lifetime #ident #named_lifetime {
-            fn processor<
+            #vis fn processor<
                 W: _io::Write<Error = E>,
                 E: _io::Error,
                 F: FnMut(&mut _cli::cli::CliHandle<'_, W, E>, #ident #unnamed_lifetime) -> Result<(), E>,