diff options
Diffstat (limited to 'src/test/ui/empty/empty-never-array.stderr')
| -rw-r--r-- | src/test/ui/empty/empty-never-array.stderr | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/test/ui/empty/empty-never-array.stderr b/src/test/ui/empty/empty-never-array.stderr index 7d59d553d88..d865b59f0b9 100644 --- a/src/test/ui/empty/empty-never-array.stderr +++ b/src/test/ui/empty/empty-never-array.stderr @@ -11,6 +11,13 @@ LL | | } ... LL | let Helper::U(u) = Helper::T(t, []); | ^^^^^^^^^^^^ pattern `T(_, _)` not covered + | + = note: `let` bindings require an "irrefutable pattern", like a `struct` or an `enum` with only one variant + = note: for more information, visit https://doc.rust-lang.org/book/ch18-02-refutability.html +help: you might want to use `if let` to ignore the variant that isn't matched + | +LL | if let Helper::U(u) = Helper::T(t, []) { /* */ } + | error[E0381]: use of possibly-uninitialized variable: `u` --> $DIR/empty-never-array.rs:12:5 |