use core::ops::Deref; use derive_tools::DerefMut; #[ allow( dead_code ) ] #[ derive ( DerefMut ) ] struct StructTuple( String, i32 ); impl Deref for StructTuple { type Target = String; fn deref( &self ) -> &Self::Target { &self.0 } } include!( "./only_test/struct_tuple.rs" );