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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:19:03 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:19:03 +0000
commit64d98f8ee037282c35007b64c2649055c56af1db (patch)
tree5492bcf97fce41ee1c0b1cc2add283f3e66cdab0 /tests/ui/suggestions/issue-59819.rs
parentAdding debian version 1.67.1+dfsg1-1. (diff)
downloadrustc-64d98f8ee037282c35007b64c2649055c56af1db.tar.xz
rustc-64d98f8ee037282c35007b64c2649055c56af1db.zip
Merging upstream version 1.68.2+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/ui/suggestions/issue-59819.rs')
-rw-r--r--tests/ui/suggestions/issue-59819.rs35
1 files changed, 35 insertions, 0 deletions
diff --git a/tests/ui/suggestions/issue-59819.rs b/tests/ui/suggestions/issue-59819.rs
new file mode 100644
index 000000000..8e8ff8372
--- /dev/null
+++ b/tests/ui/suggestions/issue-59819.rs
@@ -0,0 +1,35 @@
+// run-rustfix
+
+#![allow(warnings)]
+
+// Test that suggestion to add `*` characters applies to implementations of `Deref` as well as
+// references.
+
+struct Foo(i32);
+
+struct Bar(String);
+
+impl std::ops::Deref for Foo {
+ type Target = i32;
+ fn deref(&self) -> &Self::Target {
+ &self.0
+ }
+}
+
+impl std::ops::Deref for Bar {
+ type Target = String;
+ fn deref(&self) -> &Self::Target {
+ &self.0
+ }
+}
+
+fn main() {
+ let x = Foo(42);
+ let y: i32 = x; //~ ERROR mismatched types
+ let a = &42;
+ let b: i32 = a; //~ ERROR mismatched types
+
+ // Do not make a suggestion when adding a `*` wouldn't actually fix the issue:
+ let f = Bar("bar".to_string());
+ let g: String = f; //~ ERROR mismatched types
+}