clippy: Fix expl-impl-clone-on-copy

rr_frontend/.cargo/config.toml

@@ -32,7 +32,6 @@ rustflags = [
     "-Aclippy::string_lit_as_bytes",
 
     # clippy::pedantic
-    "-Aclippy::expl_impl_clone_on_copy",
     "-Aclippy::flat_map_option",
     "-Aclippy::from_iter_instead_of_collect",
     "-Aclippy::if_not_else",

rr_frontend/attribute_parse/src/parse.rs

@@ -248,6 +248,7 @@ macro_rules! define_punctuation_structs {
         $(
             #[repr(C)]
             #[$doc]
+            #[derive(Copy, Clone)]
             ///
             /// Don't try to remember the name of this type — use the
             /// [`MToken!`] macro instead.
@@ -271,14 +272,6 @@ macro_rules! define_punctuation_structs {
                 //}
             //}
 
-            impl Copy for $name {}
-
-            impl Clone for $name {
-                fn clone(&self) -> Self {
-                    *self
-                }
-            }
-
             //impl Debug for $name {
                 //fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
                     //f.write_str(stringify!($name))