| error[E0308]: mismatched types |
| --> $DIR/hr-subtype.rs:49:26 |
| | |
| LL | gimme::<$t1>(None::<$t2>); |
| | ^^^^^^^^^^^ expected concrete lifetime, found bound lifetime parameter 'a |
| ... |
| LL | / check! { bound_co_a_b_vs_bound_co_a: (for<'a,'b> fn(Co<'a>, Co<'b>), |
| LL | | for<'a> fn(Co<'a>, Co<'a>)) } |
| | |______________________________________________________________________- in this macro invocation |
| | |
| = note: expected type `std::option::Option<for<'a, 'b> fn(Co<'a>, Co<'b>)>` |
| found type `std::option::Option<for<'a> fn(Co<'a>, Co<'a>)>` |
| |
| error: aborting due to previous error |
| |
| For more information about this error, try `rustc --explain E0308`. |