simple register array iterator

Author: burrbull

src/generate/peripheral/accessor.rs

@@ -1,4 +1,4 @@
-use proc_macro2::{Ident, TokenStream};
+use proc_macro2::{Ident, TokenStream, Span};
 use quote::{quote, ToTokens};
 
 #[derive(Clone, Debug)]
@@ -138,12 +138,19 @@ pub struct ArrayAccessor {
 impl ToTokens for ArrayAccessor {
     fn to_tokens(&self, tokens: &mut TokenStream) {
         let Self { doc, name, ty, .. } = self;
+        let name_iter = Ident::new(&format!("{name}_iter"), Span::call_site());
         quote! {
             #[doc = #doc]
             #[inline(always)]
             pub const fn #name(&self, n: usize) -> &#ty {
                 &self.#name[n]
             }
+            #[doc = "Iterator for array of:"]
+            #[doc = #doc]
+            #[inline(always)]
+            pub fn #name_iter(&self) -> impl Iterator<Item=&#ty> {
+                self.#name.iter()
+            }
         }
         .to_tokens(tokens);
     }