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-rw-r--r--src/test/ui/destructuring-assignment/tuple_destructure_fail.rs9
1 files changed, 9 insertions, 0 deletions
diff --git a/src/test/ui/destructuring-assignment/tuple_destructure_fail.rs b/src/test/ui/destructuring-assignment/tuple_destructure_fail.rs
new file mode 100644
index 000000000..4e3172d19
--- /dev/null
+++ b/src/test/ui/destructuring-assignment/tuple_destructure_fail.rs
@@ -0,0 +1,9 @@
+const C: i32 = 1;
+
+fn main() {
+ let (mut a, mut b);
+ (a, .., b, ..) = (0, 1); //~ ERROR `..` can only be used once per tuple pattern
+ (a, a, b) = (1, 2); //~ ERROR mismatched types
+ (C, ..) = (0,1); //~ ERROR invalid left-hand side of assignment
+ (_,) = (1, 2); //~ ERROR mismatched types
+}