From 218caa410aa38c29984be31a5229b9fa717560ee Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 14:19:13 +0200 Subject: Merging upstream version 1.68.2+dfsg1. Signed-off-by: Daniel Baumann --- tests/ui/structs-enums/class-cast-to-trait.rs | 60 +++++++++++++++++++++++++++ 1 file changed, 60 insertions(+) create mode 100644 tests/ui/structs-enums/class-cast-to-trait.rs (limited to 'tests/ui/structs-enums/class-cast-to-trait.rs') 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(); +} -- cgit v1.2.3