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-rw-r--r--tests/ui/borrowck/or-patterns.rs62
1 files changed, 62 insertions, 0 deletions
diff --git a/tests/ui/borrowck/or-patterns.rs b/tests/ui/borrowck/or-patterns.rs
new file mode 100644
index 000000000..aeab3b92e
--- /dev/null
+++ b/tests/ui/borrowck/or-patterns.rs
@@ -0,0 +1,62 @@
+// Test that borrow check considers all choices in an or pattern, even the
+// unreachable ones.
+
+fn or_pattern_moves_all(x: ((String, String),)) {
+ match x {
+ ((y, _) | (_, y),) => (),
+ }
+ &x.0 .0;
+ //~^ ERROR borrow of moved value
+ &x.0 .1;
+ //~^ ERROR borrow of moved value
+}
+
+fn or_pattern_borrows_all(mut x: ((String, String),)) {
+ let r = match x {
+ ((ref y, _) | (_, ref y),) => y,
+ };
+ &mut x.0 .0;
+ //~^ ERROR cannot borrow
+ &mut x.0 .1;
+ //~^ ERROR cannot borrow
+ drop(r);
+}
+
+fn or_pattern_borrows_all_mut(mut x: ((String, String),)) {
+ let r = match x {
+ ((ref mut y, _) | (_, ref mut y),) => y,
+ };
+ &x.0 .0;
+ //~^ ERROR cannot borrow
+ &x.0 .1;
+ //~^ ERROR cannot borrow
+ drop(r);
+}
+
+fn let_or_pattern_moves_all(x: ((String, String),)) {
+ let ((y, _) | (_, y),) = x;
+ &x.0 .0;
+ //~^ ERROR borrow of moved value
+ &x.0 .1;
+ //~^ ERROR borrow of moved value
+}
+
+fn let_or_pattern_borrows_all(mut x: ((String, String),)) {
+ let ((ref r, _) | (_, ref r),) = x;
+ &mut x.0 .0;
+ //~^ ERROR cannot borrow
+ &mut x.0 .1;
+ //~^ ERROR cannot borrow
+ drop(r);
+}
+
+fn let_or_pattern_borrows_all_mut(mut x: ((String, String),)) {
+ let ((ref mut r, _) | (_, ref mut r),) = x;
+ &x.0 .0;
+ //~^ ERROR cannot borrow
+ &x.0 .1;
+ //~^ ERROR cannot borrow
+ drop(r);
+}
+
+fn main() {}