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