1error[E0308]: mismatched types
2  --> $DIR/hr-subtype.rs:45:26
3   |
4LL |               gimme::<$t1>(None::<$t2>);
5   |                            ^^^^^^^^^^^ one type is more general than the other
6...
7LL | / check! { bound_inv_a_b_vs_bound_inv_a: (for<'a,'b> fn(Inv<'a>, Inv<'b>),
8LL | | for<'a>    fn(Inv<'a>, Inv<'a>)) }
9   | |__________________________________- in this macro invocation
10   |
11   = note: expected enum `Option<for<'a, 'b> fn(Inv<'a>, Inv<'b>)>`
12              found enum `Option<for<'a> fn(Inv<'a>, Inv<'a>)>`
13   = note: this error originates in the macro `check` (in Nightly builds, run with -Z macro-backtrace for more info)
14
15error: aborting due to previous error
16
17For more information about this error, try `rustc --explain E0308`.
18