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authorAlbert Larsan <74931857+albertlarsan68@users.noreply.github.com>2023-01-05 09:13:28 +0100
committerAlbert Larsan <74931857+albertlarsan68@users.noreply.github.com>2023-01-11 09:32:08 +0000
commitcf2dff2b1e3fa55fa5415d524200070d0d7aacfe (patch)
tree40a88d9a46aaf3e8870676eb2538378b75a263eb /tests/ui/structs-enums/struct-aliases.rs
parentca855e6e42787ecd062d81d53336fe6788ef51a9 (diff)
downloadrust-cf2dff2b1e3fa55fa5415d524200070d0d7aacfe.tar.gz
rust-cf2dff2b1e3fa55fa5415d524200070d0d7aacfe.zip
Move /src/test to /tests
Diffstat (limited to 'tests/ui/structs-enums/struct-aliases.rs')
-rw-r--r--tests/ui/structs-enums/struct-aliases.rs64
1 files changed, 64 insertions, 0 deletions
diff --git a/tests/ui/structs-enums/struct-aliases.rs b/tests/ui/structs-enums/struct-aliases.rs
new file mode 100644
index 00000000000..b7aeed7bc39
--- /dev/null
+++ b/tests/ui/structs-enums/struct-aliases.rs
@@ -0,0 +1,64 @@
+// run-pass
+#![allow(non_shorthand_field_patterns)]
+
+use std::mem;
+
+struct S {
+    x: isize,
+    y: isize,
+}
+
+type S2 = S;
+
+struct S3<U,V> {
+    x: U,
+    y: V
+}
+
+type S4<U> = S3<U, char>;
+
+fn main() {
+    let s = S2 {
+        x: 1,
+        y: 2,
+    };
+    match s {
+        S2 {
+            x: x,
+            y: y
+        } => {
+            assert_eq!(x, 1);
+            assert_eq!(y, 2);
+        }
+    }
+    // check that generics can be specified from the pattern
+    let s = S4 {
+        x: 4,
+        y: 'a'
+    };
+    match s {
+        S4::<u8> {
+            x: x,
+            y: y
+        } => {
+            assert_eq!(x, 4);
+            assert_eq!(y, 'a');
+            assert_eq!(mem::size_of_val(&x), 1);
+        }
+    };
+    // check that generics can be specified from the constructor
+    let s = S4::<u16> {
+        x: 5,
+        y: 'b'
+    };
+    match s {
+        S4 {
+            x: x,
+            y: y
+        } => {
+            assert_eq!(x, 5);
+            assert_eq!(y, 'b');
+            assert_eq!(mem::size_of_val(&x), 2);
+        }
+    };
+}