#[attr = MacroUse {arguments: UseAll}]
extern crate std;
#[prelude_import]
use ::std::prelude::rust_2015::*;
//@ compile-flags: -Zunpretty=hir
//@ check-pass
//@ edition: 2015

#[diagnostic::on_unimplemented(message =
"My Message for `ImportantTrait<{A}>` implemented for `{Self}`", label =
"My Label", note = "Note 1", note = "Note 2")]
trait ImportantTrait<A> { }

#[diagnostic::do_not_recommend]
impl <T> ImportantTrait<T> for T where T: Clone { }