error: no rules expected `<` --> tests/ui/compile-fail/init/wrong_generics.rs:7:22 | 7 | let _ = init!(Foo<()> { | ^ no rules expected this token in macro call | note: while trying to match `{` --> src/lib.rs | | ($(&$this:ident in)? $t:ident $(::<$($generics:ty),* $(,)?>)? { | ^