Reuse unsafe_impl_unborrow in other macros.

embassy-macros/src/macros/cortex_m_interrupt_declare.rs

@@ -25,15 +25,7 @@ pub fn run(name: syn::Ident) -> Result<TokenStream, TokenStream> {
             }
         }
 
-        unsafe impl ::embassy_hal_common::Unborrow for #name_interrupt {
-            type Target = #name_interrupt;
-            fn unborrow<'a>(self) -> ::embassy_hal_common::Unborrowed<'a, #name_interrupt>
-            where
-                Self: 'a
-            {
-                ::embassy_hal_common::Unborrowed::new(self)
-            }
-        }
+        ::embassy_hal_common::unsafe_impl_unborrow!(#name_interrupt);
     };
     Ok(result)
 }