File: borrowck-borrow-from-temporary.rs

package info (click to toggle)
rustc 1.87.0%2Bdfsg1-1
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 925,564 kB
  • sloc: xml: 158,127; python: 36,039; javascript: 19,761; sh: 19,737; cpp: 18,981; ansic: 13,133; asm: 4,376; makefile: 710; perl: 29; lisp: 28; ruby: 19; sql: 11
file content (14 lines) | stat: -rw-r--r-- 273 bytes parent folder | download | duplicates (26) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
 
// Test lifetimes are linked properly when we take reference
// to interior.

fn id<T>(x: T) -> T { x }

struct Foo(isize);

fn foo<'a>() -> &'a isize {
    let &Foo(ref x) = &id(Foo(3));
    x //~ ERROR cannot return value referencing temporary value
}

pub fn main() {
}