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//@ run-pass
#![allow(unreachable_code)]
#[derive(PartialEq, Debug)]
struct Bar {
x: isize
}
impl Drop for Bar {
fn drop(&mut self) {
assert_eq!(self.x, 22);
}
}
#[derive(PartialEq, Debug)]
struct Foo {
x: Bar,
a: isize
}
fn foo() -> Result<Foo, isize> {
return Ok(Foo {
x: Bar { x: 22 },
a: return Err(32)
});
}
fn baz() -> Result<Foo, isize> {
Ok(Foo {
x: Bar { x: 22 },
a: return Err(32)
})
}
// explicit immediate return
fn aa() -> isize {
return 3;
}
// implicit immediate return
fn bb() -> isize {
3
}
// implicit outptr return
fn cc() -> Result<isize, isize> {
Ok(3)
}
// explicit outptr return
fn dd() -> Result<isize, isize> {
return Ok(3);
}
trait A {
fn aaa(&self) -> isize {
3
}
fn bbb(&self) -> isize {
return 3;
}
fn ccc(&self) -> Result<isize, isize> {
Ok(3)
}
fn ddd(&self) -> Result<isize, isize> {
return Ok(3);
}
}
impl A for isize {}
fn main() {
assert_eq!(foo(), Err(32));
assert_eq!(baz(), Err(32));
assert_eq!(aa(), 3);
assert_eq!(bb(), 3);
assert_eq!(cc().unwrap(), 3);
assert_eq!(dd().unwrap(), 3);
let i = Box::new(32isize) as Box<dyn A>;
assert_eq!(i.aaa(), 3);
let i = Box::new(32isize) as Box<dyn A>;
assert_eq!(i.bbb(), 3);
let i = Box::new(32isize) as Box<dyn A>;
assert_eq!(i.ccc().unwrap(), 3);
let i = Box::new(32isize) as Box<dyn A>;
assert_eq!(i.ddd().unwrap(), 3);
}
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