File: borrowck-use-uninitialized-in-cast-trait.fixed

package info (click to toggle)
rustc 1.89.0%2Bdfsg1-1
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 906,624 kB
  • sloc: xml: 158,148; python: 34,888; javascript: 19,595; sh: 19,221; ansic: 13,046; cpp: 7,144; asm: 4,376; makefile: 692; lisp: 174; sql: 15
file content (12 lines) | stat: -rw-r--r-- 328 bytes parent folder | download | duplicates (14) 
1
2
3
4
5
6
7
8
9
10
11
12
 
// Variation on `borrowck-use-uninitialized-in-cast` in which we do a
// trait cast from an uninitialized source. Issue #20791.
//@ run-rustfix
#![allow(unused_variables, dead_code)]

trait Foo { fn dummy(&self) { } }
impl Foo for i32 { }

fn main() {
    let x: &i32 = &42;
    let y = x as *const dyn Foo; //~ ERROR [E0381]
}