error[E0308]: mismatched types
--> $DIR/pattern-tyvar.rs:5:18
|
+LL | match t {
+ | - this match expression has type `std::option::Option<std::vec::Vec<isize>>`
LL | Bar::T1(_, Some::<isize>(x)) => { //~ ERROR mismatched types
| ^^^^^^^^^^^^^^^^ expected struct `std::vec::Vec`, found isize
|