1 error: expected `}`, found `,`
2 --> $DIR/issue-54379.rs:9:22
4 LL | MyStruct { .., Some(_) } => {},
8 | `..` must be at the end and cannot have a trailing comma
11 --> $DIR/issue-54379.rs:9:28
13 LL | MyStruct { .., Some(_) } => {},
16 | while parsing the fields for this pattern
18 error: aborting due to 2 previous errors