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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:03:36 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:03:36 +0000
commit17d40c6057c88f4c432b0d7bac88e1b84cb7e67f (patch)
tree3f66c4a5918660bb8a758ab6cda5ff8ee4f6cdcd /src/test/ui/array-slice-vec/suggest-array-length.rs
parentAdding upstream version 1.64.0+dfsg1. (diff)
downloadrustc-upstream/1.65.0+dfsg1.tar.xz
rustc-upstream/1.65.0+dfsg1.zip
Adding upstream version 1.65.0+dfsg1.upstream/1.65.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/test/ui/array-slice-vec/suggest-array-length.rs')
-rw-r--r--src/test/ui/array-slice-vec/suggest-array-length.rs26
1 files changed, 26 insertions, 0 deletions
diff --git a/src/test/ui/array-slice-vec/suggest-array-length.rs b/src/test/ui/array-slice-vec/suggest-array-length.rs
new file mode 100644
index 000000000..f66b3d4a8
--- /dev/null
+++ b/src/test/ui/array-slice-vec/suggest-array-length.rs
@@ -0,0 +1,26 @@
+// run-rustfix
+#![allow(unused_variables, dead_code, non_upper_case_globals)]
+
+fn main() {
+ const Foo: [i32; _] = [1, 2, 3];
+ //~^ ERROR in expressions, `_` can only be used on the left-hand side of an assignment
+ //~| ERROR using `_` for array lengths is unstable
+ const REF_FOO: &[u8; _] = &[1];
+ //~^ ERROR in expressions, `_` can only be used on the left-hand side of an assignment
+ //~| ERROR using `_` for array lengths is unstable
+ let foo: [i32; _] = [1, 2, 3];
+ //~^ ERROR in expressions, `_` can only be used on the left-hand side of an assignment
+ //~| ERROR using `_` for array lengths is unstable
+ let bar: [i32; _] = [0; 3];
+ //~^ ERROR in expressions, `_` can only be used on the left-hand side of an assignment
+ //~| ERROR using `_` for array lengths is unstable
+ let ref_foo: &[i32; _] = &[1, 2, 3];
+ //~^ ERROR in expressions, `_` can only be used on the left-hand side of an assignment
+ //~| ERROR using `_` for array lengths is unstable
+ let ref_bar: &[i32; _] = &[0; 3];
+ //~^ ERROR in expressions, `_` can only be used on the left-hand side of an assignment
+ //~| ERROR using `_` for array lengths is unstable
+ let multiple_ref_foo: &&[i32; _] = &&[1, 2, 3];
+ //~^ ERROR in expressions, `_` can only be used on the left-hand side of an assignment
+ //~| ERROR using `_` for array lengths is unstable
+}