-error[E0308]: mismatched types
- --> $DIR/hr-subtype.rs:45:26
+error: fatal error triggered by #[rustc_error]
+ --> $DIR/hr-subtype.rs:102:1
|
-LL | gimme::<$t1>(None::<$t2>);
- | ^^^^^^^^^^^ expected concrete lifetime, found bound lifetime parameter 'a
-...
-LL | / check! { bound_contra_a_contra_b_ret_co_a: (for<'a,'b> fn(Contra<'a>, Contra<'b>) -> Co<'a>,
-LL | | for<'a> fn(Contra<'a>, Contra<'a>) -> Co<'a>) }
- | |__________________________________________________- in this macro invocation
- |
- = note: expected enum `std::option::Option<for<'a, 'b> fn(Contra<'a>, Contra<'b>) -> Co<'a>>`
- found enum `std::option::Option<for<'a> fn(Contra<'a>, Contra<'a>) -> Co<'a>>`
- = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
+LL | / fn main() {
+LL | |
+LL | |
+LL | |
+... |
+LL | |
+LL | | }
+ | |_^
error: aborting due to previous error
-For more information about this error, try `rustc --explain E0308`.