src/test/ui/issues/issue-23589.stderr

   1 error[E0214]: parenthesized parameters may only be used with a trait
   2   --> $DIR/issue-23589.rs:2:15
   3    |
   4 LL |     let v: Vec(&str) = vec!['1', '2'];
   5    |               ^^^^^^ only traits may use parentheses
   6
   7 error: aborting due to previous error
   8
   9 For more information about this error, try `rustc --explain E0214`.