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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:19:13 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:19:13 +0000
commit218caa410aa38c29984be31a5229b9fa717560ee (patch)
treec54bd55eeb6e4c508940a30e94c0032fbd45d677 /tests/ui/structs-enums/class-cast-to-trait.rs
parentReleasing progress-linux version 1.67.1+dfsg1-1~progress7.99u1. (diff)
downloadrustc-218caa410aa38c29984be31a5229b9fa717560ee.tar.xz
rustc-218caa410aa38c29984be31a5229b9fa717560ee.zip
Merging upstream version 1.68.2+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/ui/structs-enums/class-cast-to-trait.rs')
-rw-r--r--tests/ui/structs-enums/class-cast-to-trait.rs60
1 files changed, 60 insertions, 0 deletions
diff --git a/tests/ui/structs-enums/class-cast-to-trait.rs b/tests/ui/structs-enums/class-cast-to-trait.rs
new file mode 100644
index 000000000..1019bb300
--- /dev/null
+++ b/tests/ui/structs-enums/class-cast-to-trait.rs
@@ -0,0 +1,60 @@
+// run-pass
+#![allow(dead_code)]
+#![allow(unused_mut)]
+#![allow(non_camel_case_types)]
+
+// ignore-freebsd FIXME fails on BSD
+
+
+trait noisy {
+ fn speak(&mut self);
+}
+
+struct cat {
+ meows: usize,
+ how_hungry: isize,
+ name: String,
+}
+
+impl noisy for cat {
+ fn speak(&mut self) { self.meow(); }
+}
+
+impl cat {
+ pub fn eat(&mut self) -> bool {
+ if self.how_hungry > 0 {
+ println!("OM NOM NOM");
+ self.how_hungry -= 2;
+ return true;
+ }
+ else {
+ println!("Not hungry!");
+ return false;
+ }
+ }
+}
+
+impl cat {
+ fn meow(&mut self) {
+ println!("Meow");
+ self.meows += 1;
+ if self.meows % 5 == 0 {
+ self.how_hungry += 1;
+ }
+ }
+}
+
+fn cat(in_x : usize, in_y : isize, in_name: String) -> cat {
+ cat {
+ meows: in_x,
+ how_hungry: in_y,
+ name: in_name
+ }
+}
+
+
+pub fn main() {
+ let mut nyan = cat(0, 2, "nyan".to_string());
+ let mut nyan: &mut dyn noisy = &mut nyan;
+ nyan.speak();
+}