src/test/ui/error-codes/E0297.stderr

   1 error[E0005]: refutable pattern in `for` loop binding: `None` not covered
   2   --> $DIR/E0297.rs:4:9
   3    |
   4 LL |     for Some(x) in xs {}
   5    |         ^^^^^^^ pattern `None` not covered
   6    |
   7 note: `Option<i32>` defined here
   8   --> $SRC_DIR/core/src/option.rs:LL:COL
   9    |
  10 LL | pub enum Option<T> {
  11    | ------------------
  12 ...
  13 LL |     None,
  14    |     ^^^^ not covered
  15    = note: the matched value is of type `Option<i32>`
  16
  17 error: aborting due to previous error
  18
  19 For more information about this error, try `rustc --explain E0005`.