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Diffstat (limited to 'tests/ui/binding/irrefutable-if-let-without-else.rs')
-rw-r--r--tests/ui/binding/irrefutable-if-let-without-else.rs28
1 files changed, 28 insertions, 0 deletions
diff --git a/tests/ui/binding/irrefutable-if-let-without-else.rs b/tests/ui/binding/irrefutable-if-let-without-else.rs
new file mode 100644
index 00000000000..5aaf4ace3f8
--- /dev/null
+++ b/tests/ui/binding/irrefutable-if-let-without-else.rs
@@ -0,0 +1,28 @@
+// run-rustfix
+enum Enum {
+    Variant(i32),
+}
+struct Struct(i32);
+
+fn foo(x: Enum) -> i32 {
+    if let Enum::Variant(value) = x { //~ ERROR `if` may be missing an `else` clause
+        value
+    }
+}
+fn bar(x: Enum) -> i32 {
+    if let Enum::Variant(value) = x { //~ ERROR `if` may be missing an `else` clause
+        let x = value + 1;
+        x
+    }
+}
+fn baz(x: Struct) -> i32 {
+    if let Struct(value) = x { //~ ERROR `if` may be missing an `else` clause
+        let x = value + 1;
+        x
+    }
+}
+fn main() {
+    let _ = foo(Enum::Variant(42));
+    let _ = bar(Enum::Variant(42));
+    let _ = baz(Struct(42));
+}