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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:19:41 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:19:41 +0000
commit4f9fe856a25ab29345b90e7725509e9ee38a37be (patch)
treee4ffd8a9374cae7b21f7cbfb352927e0e074aff6 /tests/ui/type/type-check/coerce-result-return-value.rs
parentAdding upstream version 1.68.2+dfsg1. (diff)
downloadrustc-4f9fe856a25ab29345b90e7725509e9ee38a37be.tar.xz
rustc-4f9fe856a25ab29345b90e7725509e9ee38a37be.zip
Adding upstream version 1.69.0+dfsg1.upstream/1.69.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--tests/ui/type/type-check/coerce-result-return-value.rs24
1 files changed, 24 insertions, 0 deletions
diff --git a/tests/ui/type/type-check/coerce-result-return-value.rs b/tests/ui/type/type-check/coerce-result-return-value.rs
new file mode 100644
index 000000000..442203add
--- /dev/null
+++ b/tests/ui/type/type-check/coerce-result-return-value.rs
@@ -0,0 +1,24 @@
+// run-rustfix
+struct A;
+struct B;
+impl From<A> for B {
+ fn from(_: A) -> Self { B }
+}
+fn foo1(x: Result<(), A>) -> Result<(), B> {
+ x //~ ERROR mismatched types
+}
+fn foo2(x: Result<(), A>) -> Result<(), B> {
+ return x; //~ ERROR mismatched types
+}
+fn foo3(x: Result<(), A>) -> Result<(), B> {
+ if true {
+ x //~ ERROR mismatched types
+ } else {
+ x //~ ERROR mismatched types
+ }
+}
+fn main() {
+ let _ = foo1(Ok(()));
+ let _ = foo2(Ok(()));
+ let _ = foo3(Ok(()));
+}