mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-24 07:44:10 +00:00
50 lines
932 B
Rust
50 lines
932 B
Rust
//@ run-pass
|
|
#![allow(dead_code)]
|
|
|
|
#[derive(Copy, Clone)]
|
|
struct Foo {
|
|
f: isize,
|
|
}
|
|
|
|
impl Foo {
|
|
fn foo(self: Foo, x: isize) -> isize {
|
|
self.f + x
|
|
}
|
|
fn bar(self: &Foo, x: isize) -> isize {
|
|
self.f + x
|
|
}
|
|
fn baz(self: Box<Foo>, x: isize) -> isize {
|
|
self.f + x
|
|
}
|
|
}
|
|
|
|
#[derive(Copy, Clone)]
|
|
struct Bar<T> {
|
|
f: T,
|
|
}
|
|
|
|
impl<T> Bar<T> {
|
|
fn foo(self: Bar<T>, x: isize) -> isize {
|
|
x
|
|
}
|
|
fn bar<'a>(self: &'a Bar<T>, x: isize) -> isize {
|
|
x
|
|
}
|
|
fn baz(self: Bar<T>, x: isize) -> isize {
|
|
x
|
|
}
|
|
}
|
|
|
|
fn main() {
|
|
let foo: Box<_> = Box::new(Foo {
|
|
f: 1,
|
|
});
|
|
println!("{} {} {}", foo.foo(2), foo.bar(2), foo.baz(2));
|
|
let bar: Box<_> = Box::new(Bar {
|
|
f: 1,
|
|
});
|
|
println!("{} {} {}", bar.foo(2), bar.bar(2), bar.baz(2));
|
|
let bar: Box<Bar<isize>> = bar;
|
|
println!("{} {} {}", bar.foo(2), bar.bar(2), bar.baz(2));
|
|
}
|