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| author | Albert Larsan <74931857+albertlarsan68@users.noreply.github.com> | 2023-01-05 09:13:28 +0100 |
|---|---|---|
| committer | Albert Larsan <74931857+albertlarsan68@users.noreply.github.com> | 2023-01-11 09:32:08 +0000 |
| commit | cf2dff2b1e3fa55fa5415d524200070d0d7aacfe (patch) | |
| tree | 40a88d9a46aaf3e8870676eb2538378b75a263eb /tests/ui/class-cast-to-trait.rs | |
| parent | ca855e6e42787ecd062d81d53336fe6788ef51a9 (diff) | |
| download | rust-cf2dff2b1e3fa55fa5415d524200070d0d7aacfe.tar.gz rust-cf2dff2b1e3fa55fa5415d524200070d0d7aacfe.zip | |
Move /src/test to /tests
Diffstat (limited to 'tests/ui/class-cast-to-trait.rs')
| -rw-r--r-- | tests/ui/class-cast-to-trait.rs | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/tests/ui/class-cast-to-trait.rs b/tests/ui/class-cast-to-trait.rs new file mode 100644 index 00000000000..345d6efd2d9 --- /dev/null +++ b/tests/ui/class-cast-to-trait.rs @@ -0,0 +1,54 @@ +trait Noisy { + fn speak(&self); +} + +struct Cat { + meows : usize, + + how_hungry : isize, + name : String, +} + +impl Cat { + pub fn eat(&self) -> bool { + if self.how_hungry > 0 { + println!("OM NOM NOM"); + self.how_hungry -= 2; + return true; + } + else { + println!("Not hungry!"); + return false; + } + } +} + +impl Noisy for Cat { + fn speak(&self) { self.meow(); } + +} + +impl Cat { + fn meow(&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 + } +} + + + +fn main() { + let nyan: Box<dyn Noisy> = Box::new(cat(0, 2, "nyan".to_string())) as Box<dyn Noisy>; + nyan.eat(); //~ ERROR no method named `eat` found +} |
