summaryrefslogtreecommitdiffstats
path: root/src/test/ui/array-slice-vec
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--src/test/ui/array-slice-vec/suggest-array-length.fixed26
-rw-r--r--src/test/ui/array-slice-vec/suggest-array-length.rs26
-rw-r--r--src/test/ui/array-slice-vec/suggest-array-length.stderr108
3 files changed, 160 insertions, 0 deletions
diff --git a/src/test/ui/array-slice-vec/suggest-array-length.fixed b/src/test/ui/array-slice-vec/suggest-array-length.fixed
new file mode 100644
index 000000000..867c18a7d
--- /dev/null
+++ b/src/test/ui/array-slice-vec/suggest-array-length.fixed
@@ -0,0 +1,26 @@
+// run-rustfix
+#![allow(unused_variables, dead_code, non_upper_case_globals)]
+
+fn main() {
+ const Foo: [i32; 3] = [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] = &[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; 3] = [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; 3] = [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; 3] = &[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; 3] = &[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; 3] = &&[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
+}
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
+}
diff --git a/src/test/ui/array-slice-vec/suggest-array-length.stderr b/src/test/ui/array-slice-vec/suggest-array-length.stderr
new file mode 100644
index 000000000..16c90a047
--- /dev/null
+++ b/src/test/ui/array-slice-vec/suggest-array-length.stderr
@@ -0,0 +1,108 @@
+error: in expressions, `_` can only be used on the left-hand side of an assignment
+ --> $DIR/suggest-array-length.rs:11:20
+ |
+LL | let foo: [i32; _] = [1, 2, 3];
+ | ^ `_` not allowed here
+
+error: in expressions, `_` can only be used on the left-hand side of an assignment
+ --> $DIR/suggest-array-length.rs:14:20
+ |
+LL | let bar: [i32; _] = [0; 3];
+ | ^ `_` not allowed here
+
+error: in expressions, `_` can only be used on the left-hand side of an assignment
+ --> $DIR/suggest-array-length.rs:17:25
+ |
+LL | let ref_foo: &[i32; _] = &[1, 2, 3];
+ | ^ `_` not allowed here
+
+error: in expressions, `_` can only be used on the left-hand side of an assignment
+ --> $DIR/suggest-array-length.rs:20:25
+ |
+LL | let ref_bar: &[i32; _] = &[0; 3];
+ | ^ `_` not allowed here
+
+error: in expressions, `_` can only be used on the left-hand side of an assignment
+ --> $DIR/suggest-array-length.rs:23:35
+ |
+LL | let multiple_ref_foo: &&[i32; _] = &&[1, 2, 3];
+ | ^ `_` not allowed here
+
+error: in expressions, `_` can only be used on the left-hand side of an assignment
+ --> $DIR/suggest-array-length.rs:5:22
+ |
+LL | const Foo: [i32; _] = [1, 2, 3];
+ | ^ `_` not allowed here
+
+error: in expressions, `_` can only be used on the left-hand side of an assignment
+ --> $DIR/suggest-array-length.rs:8:26
+ |
+LL | const REF_FOO: &[u8; _] = &[1];
+ | ^ `_` not allowed here
+
+error[E0658]: using `_` for array lengths is unstable
+ --> $DIR/suggest-array-length.rs:5:22
+ |
+LL | const Foo: [i32; _] = [1, 2, 3];
+ | ^ help: consider specifying the array length: `3`
+ |
+ = note: see issue #85077 <https://github.com/rust-lang/rust/issues/85077> for more information
+ = help: add `#![feature(generic_arg_infer)]` to the crate attributes to enable
+
+error[E0658]: using `_` for array lengths is unstable
+ --> $DIR/suggest-array-length.rs:8:26
+ |
+LL | const REF_FOO: &[u8; _] = &[1];
+ | ^ help: consider specifying the array length: `1`
+ |
+ = note: see issue #85077 <https://github.com/rust-lang/rust/issues/85077> for more information
+ = help: add `#![feature(generic_arg_infer)]` to the crate attributes to enable
+
+error[E0658]: using `_` for array lengths is unstable
+ --> $DIR/suggest-array-length.rs:11:20
+ |
+LL | let foo: [i32; _] = [1, 2, 3];
+ | ^ help: consider specifying the array length: `3`
+ |
+ = note: see issue #85077 <https://github.com/rust-lang/rust/issues/85077> for more information
+ = help: add `#![feature(generic_arg_infer)]` to the crate attributes to enable
+
+error[E0658]: using `_` for array lengths is unstable
+ --> $DIR/suggest-array-length.rs:14:20
+ |
+LL | let bar: [i32; _] = [0; 3];
+ | ^ help: consider specifying the array length: `3`
+ |
+ = note: see issue #85077 <https://github.com/rust-lang/rust/issues/85077> for more information
+ = help: add `#![feature(generic_arg_infer)]` to the crate attributes to enable
+
+error[E0658]: using `_` for array lengths is unstable
+ --> $DIR/suggest-array-length.rs:17:25
+ |
+LL | let ref_foo: &[i32; _] = &[1, 2, 3];
+ | ^ help: consider specifying the array length: `3`
+ |
+ = note: see issue #85077 <https://github.com/rust-lang/rust/issues/85077> for more information
+ = help: add `#![feature(generic_arg_infer)]` to the crate attributes to enable
+
+error[E0658]: using `_` for array lengths is unstable
+ --> $DIR/suggest-array-length.rs:20:25
+ |
+LL | let ref_bar: &[i32; _] = &[0; 3];
+ | ^ help: consider specifying the array length: `3`
+ |
+ = note: see issue #85077 <https://github.com/rust-lang/rust/issues/85077> for more information
+ = help: add `#![feature(generic_arg_infer)]` to the crate attributes to enable
+
+error[E0658]: using `_` for array lengths is unstable
+ --> $DIR/suggest-array-length.rs:23:35
+ |
+LL | let multiple_ref_foo: &&[i32; _] = &&[1, 2, 3];
+ | ^ help: consider specifying the array length: `3`
+ |
+ = note: see issue #85077 <https://github.com/rust-lang/rust/issues/85077> for more information
+ = help: add `#![feature(generic_arg_infer)]` to the crate attributes to enable
+
+error: aborting due to 14 previous errors
+
+For more information about this error, try `rustc --explain E0658`.
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-06 22:41:15 +0000