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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:13 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:13 +0000 |
commit | 218caa410aa38c29984be31a5229b9fa717560ee (patch) | |
tree | c54bd55eeb6e4c508940a30e94c0032fbd45d677 /tests/ui/structs-enums/class-cast-to-trait.rs | |
parent | Releasing progress-linux version 1.67.1+dfsg1-1~progress7.99u1. (diff) | |
download | rustc-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.rs | 60 |
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(); +} |