//@ check-pass //@ edition:2021 use std::fmt::Debug; trait GlobalTrait {} fn main() { struct InsideMain; impl InsideMain { fn foo() {} } impl GlobalTrait for InsideMain {} impl Debug for InsideMain { fn fmt(&self, _f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result { todo!() } } impl PartialEq<()> for InsideMain { fn eq(&self, _: &()) -> bool { todo!() } } } fn dyn_weirdness() { trait LocalTrait {} impl dyn LocalTrait {} impl GlobalTrait for dyn LocalTrait {} } struct Test; mod do_not_lint_mod { pub trait Tait {} impl super::Test { fn hugo() {} } impl Tait for super::Test {} } fn bitflags() { struct Flags; const _: () = { impl Flags {} }; }