Merge tag 'debian/1.52.1+dfsg1-1_exp2' into proxmox/buster

[rustc.git] / src / test / ui / suggestions / match-with-different-arm-types-as-stmt-instead-of-expr.rs

diff --git a/src/test/ui/suggestions/match-with-different-arm-types-as-stmt-instead-of-expr.rs b/src/test/ui/suggestions/match-with-different-arm-types-as-stmt-instead-of-expr.rs
new file mode 100644 (file)
index 0000000..0360ce6
--- /dev/null
+++ b/src/test/ui/suggestions/match-with-different-arm-types-as-stmt-instead-of-expr.rs
@@ -0,0 +1,30 @@
+pub trait Foo {}
+
+struct Bar;
+struct Baz;
+
+impl Foo for Bar { }
+impl Foo for Baz { }
+
+fn not_all_paths(a: &str) -> u32 { //~ ERROR mismatched types
+    match a {
+        "baz" => 0,
+        _ => 1,
+    };
+}
+
+fn right(b: &str) -> Box<dyn Foo> {
+    match b {
+        "baz" => Box::new(Baz),
+        _ => Box::new(Bar),
+    }
+}
+
+fn wrong(c: &str) -> Box<dyn Foo> { //~ ERROR mismatched types
+    match c {
+        "baz" => Box::new(Baz),
+        _ => Box::new(Bar), //~ ERROR `match` arms have incompatible types
+    };
+}
+
+fn main() {}