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1 error[E0005]: refutable pattern in local binding: `A(_)` not covered
2   --> $DIR/uninhabited-irrefutable.rs:27:9
3    |
4 LL |     let Foo::D(_y) = x;
5    |         ^^^^^^^^^^ pattern `A(_)` not covered
6    |
7    = note: `let` bindings require an "irrefutable pattern", like a `struct` or an `enum` with only one variant
8    = note: for more information, visit https://doc.rust-lang.org/book/ch18-02-refutability.html
9 note: `Foo` defined here
10   --> $DIR/uninhabited-irrefutable.rs:19:5
11    |
12 LL | enum Foo {
13    |      ---
14 LL |     A(foo::SecretlyEmpty),
15    |     ^ not covered
16    = note: the matched value is of type `Foo`
17 help: you might want to use `if let` to ignore the variant that isn't matched
18    |
19 LL |     if let Foo::D(_y) = x { /* */ }
20    |     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
21
22 error: aborting due to previous error
23
24 For more information about this error, try `rustc --explain E0005`.