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/* { dg-output "parent\r*\nchild\r*\n" } */
//Testing default implementations with supertraits.
extern "C" {
fn printf(s: *const i8, ...);
}
struct Foo {
my_int: u32,
}
trait Parent {
fn parent_str(&self) -> &'static str;
fn parent(&self) {
unsafe {
let parent: &'static str = self.parent_str();
let msg = parent as *const str;
printf(msg as *const i8);
}
}
}
trait Child : Parent {
fn child(&self);
}
impl Parent for Foo {
fn parent_str(&self) -> &'static str {
let _ = self;
return "parent\n\0";
}
}
impl Child for Foo {
fn child(&self) {
let _ = self;
unsafe {
let child = "child\n\0";
let msg = child as *const str;
printf(msg as *const i8);
}
}
}
pub fn main() -> i32 {
let a = Foo{ my_int: 0xfeedf00d};
let b: &dyn Child = &a;
b.parent();
b.child();
// Bogus warning silencer
let _ = a.my_int;
0
}
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