1 error[E0004]: non-exhaustive patterns: `Foo(_, _)` not covered
2 --> $DIR/tuple-struct-nonexhaustive.rs:5:11
4 LL | struct Foo(isize, isize);
5 | ------------------------- `Foo` defined here
8 | ^ pattern `Foo(_, _)` not covered
10 = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms
11 = note: the matched value is of type `Foo`
13 error: aborting due to previous error
15 For more information about this error, try `rustc --explain E0004`.