macro_rules! assert_impl {
($trait:path: $($ty:ty),+) => { ... };
(!$trait:path: $($ty:ty),+) => { ... };
($trait:path: $($ty:ty,)+) => { ... };
(!$trait:path: $($ty:ty,)+) => { ... };
}
macro_rules! assert_impl {
($trait:path: $($ty:ty),+) => { ... };
(!$trait:path: $($ty:ty),+) => { ... };
($trait:path: $($ty:ty,)+) => { ... };
(!$trait:path: $($ty:ty,)+) => { ... };
}