mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-22 14:55:26 +00:00
32 lines
570 B
Rust
32 lines
570 B
Rust
//@ run-pass
|
|
#![allow(dead_code)]
|
|
#![allow(non_camel_case_types)]
|
|
#![allow(non_snake_case)]
|
|
|
|
pub trait bomb { fn boom(&self, _: Ident); }
|
|
pub struct S;
|
|
impl bomb for S { fn boom(&self, _: Ident) { } }
|
|
|
|
pub struct Ident { name: usize }
|
|
|
|
macro_rules! int3 { () => ( { } ) }
|
|
|
|
fn Ident_new() -> Ident {
|
|
int3!();
|
|
Ident {name: 0x6789ABCD }
|
|
}
|
|
|
|
pub fn light_fuse(fld: Box<dyn bomb>) {
|
|
int3!();
|
|
let f = || {
|
|
int3!();
|
|
fld.boom(Ident_new()); // *** 1
|
|
};
|
|
f();
|
|
}
|
|
|
|
pub fn main() {
|
|
let b = Box::new(S) as Box<dyn bomb>;
|
|
light_fuse(b);
|
|
}
|