about summary refs log tree commit diff
path: root/tests/ui/empty/empty-never-array.stderr
diff options
context:
space:
mode:
authorAlbert Larsan <74931857+albertlarsan68@users.noreply.github.com>2023-01-05 09:13:28 +0100
committerAlbert Larsan <74931857+albertlarsan68@users.noreply.github.com>2023-01-11 09:32:08 +0000
commitcf2dff2b1e3fa55fa5415d524200070d0d7aacfe (patch)
tree40a88d9a46aaf3e8870676eb2538378b75a263eb /tests/ui/empty/empty-never-array.stderr
parentca855e6e42787ecd062d81d53336fe6788ef51a9 (diff)
downloadrust-cf2dff2b1e3fa55fa5415d524200070d0d7aacfe.tar.gz
rust-cf2dff2b1e3fa55fa5415d524200070d0d7aacfe.zip
Move /src/test to /tests
Diffstat (limited to 'tests/ui/empty/empty-never-array.stderr')
-rw-r--r--tests/ui/empty/empty-never-array.stderr28
1 files changed, 28 insertions, 0 deletions
diff --git a/tests/ui/empty/empty-never-array.stderr b/tests/ui/empty/empty-never-array.stderr
new file mode 100644
index 00000000000..adf78274368
--- /dev/null
+++ b/tests/ui/empty/empty-never-array.stderr
@@ -0,0 +1,28 @@
+error[E0005]: refutable pattern in local binding: `Helper::T(_, _)` not covered
+  --> $DIR/empty-never-array.rs:10:9
+   |
+LL |     let Helper::U(u) = Helper::T(t, []);
+   |         ^^^^^^^^^^^^ pattern `Helper::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
+note: `Helper<T, U>` defined here
+  --> $DIR/empty-never-array.rs:4:5
+   |
+LL | enum Helper<T, U> {
+   |      ------
+LL |     T(T, [!; 0]),
+   |     ^ not covered
+   = note: the matched value is of type `Helper<T, U>`
+help: you might want to use `if let` to ignore the variant that isn't matched
+   |
+LL |     let u = if let Helper::U(u) = Helper::T(t, []) { u } else { todo!() };
+   |     ++++++++++                                     ++++++++++++++++++++++
+help: alternatively, you might want to use let else to handle the variant that isn't matched
+   |
+LL |     let Helper::U(u) = Helper::T(t, []) else { todo!() };
+   |                                         ++++++++++++++++
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0005`.