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-rw-r--r--tests/ui/rfcs/rfc-2294-if-let-guard/move-guard-if-let-chain.rs97
1 files changed, 97 insertions, 0 deletions
diff --git a/tests/ui/rfcs/rfc-2294-if-let-guard/move-guard-if-let-chain.rs b/tests/ui/rfcs/rfc-2294-if-let-guard/move-guard-if-let-chain.rs
new file mode 100644
index 000000000..5c333cd77
--- /dev/null
+++ b/tests/ui/rfcs/rfc-2294-if-let-guard/move-guard-if-let-chain.rs
@@ -0,0 +1,97 @@
+#![feature(if_let_guard)]
+#![feature(let_chains)]
+#![allow(irrefutable_let_patterns)]
+
+fn same_pattern(c: bool) {
+ let x: Box<_> = Box::new(1);
+
+ let v = (1, 2);
+
+ match v {
+ (1, 2) if let y = x && c => (),
+ (1, 2) if let z = x => (), //~ ERROR use of moved value: `x`
+ _ => (),
+ }
+}
+
+fn same_pattern_ok(c: bool) {
+ let x: Box<_> = Box::new(1);
+
+ let v = (1, 2);
+
+ match v {
+ (1, 2) if c && let y = x => (),
+ (1, 2) if let z = x => (),
+ _ => (),
+ }
+}
+
+fn different_patterns(c: bool) {
+ let x: Box<_> = Box::new(1);
+
+ let v = (1, 2);
+
+ match v {
+ (1, _) if let y = x && c => (),
+ (_, 2) if let z = x => (), //~ ERROR use of moved value: `x`
+ _ => (),
+ }
+}
+
+fn different_patterns_ok(c: bool) {
+ let x: Box<_> = Box::new(1);
+
+ let v = (1, 2);
+
+ match v {
+ (1, _) if c && let y = x => (),
+ (_, 2) if let z = x => (),
+ _ => (),
+ }
+}
+
+fn or_pattern(c: bool) {
+ let x: Box<_> = Box::new(1);
+
+ let v = (1, 2);
+
+ match v {
+ (1, _) | (_, 2) if let y = x && c => (), //~ ERROR use of moved value: `x`
+ _ => (),
+ }
+}
+
+fn or_pattern_ok(c: bool) {
+ let x: Box<_> = Box::new(1);
+
+ let v = (1, 2);
+
+ match v {
+ (1, _) | (_, 2) if c && let y = x => (),
+ _ => (),
+ }
+}
+
+fn use_in_arm(c: bool) {
+ let x: Box<_> = Box::new(1);
+
+ let v = (1, 2);
+
+ match v {
+ (1, 2) if let y = x && c => false,
+ _ => { *x == 1 }, //~ ERROR use of moved value: `x`
+ };
+}
+
+fn use_in_arm_ok(c: bool) {
+ let x: Box<_> = Box::new(1);
+
+ let v = (1, 2);
+
+ match v {
+ (1, 2) if c && let y = x => false,
+ _ => { *x == 1 },
+ };
+}
+
+fn main() {}