2018-09-04 05:05:53 -05:00
|
|
|
// run-pass
|
2018-09-25 16:51:35 -05:00
|
|
|
#![allow(dead_code)]
|
2014-05-05 20:56:44 -05:00
|
|
|
|
2015-03-22 15:13:15 -05:00
|
|
|
// pretty-expanded FIXME #23616
|
|
|
|
|
2013-03-06 21:09:17 -06:00
|
|
|
struct Rec {
|
2015-03-25 19:06:52 -05:00
|
|
|
f: Box<isize>,
|
2013-03-06 21:09:17 -06:00
|
|
|
}
|
|
|
|
|
|
|
|
struct Outer {
|
|
|
|
f: Inner
|
|
|
|
}
|
|
|
|
|
|
|
|
struct Inner {
|
|
|
|
g: Innermost
|
|
|
|
}
|
|
|
|
|
|
|
|
struct Innermost {
|
2015-03-25 19:06:52 -05:00
|
|
|
h: Box<isize>,
|
2013-03-06 21:09:17 -06:00
|
|
|
}
|
|
|
|
|
2015-03-25 19:06:52 -05:00
|
|
|
fn borrow(_v: &isize) {}
|
2012-04-26 18:02:01 -05:00
|
|
|
|
2015-03-25 19:06:52 -05:00
|
|
|
fn box_mut(v: &mut Box<isize>) {
|
2014-07-07 18:35:15 -05:00
|
|
|
borrow(&**v); // OK: &mut -> &imm
|
2012-04-26 18:02:01 -05:00
|
|
|
}
|
|
|
|
|
2013-03-06 21:09:17 -06:00
|
|
|
fn box_mut_rec(v: &mut Rec) {
|
2014-07-07 18:35:15 -05:00
|
|
|
borrow(&*v.f); // OK: &mut -> &imm
|
2012-04-26 18:02:01 -05:00
|
|
|
}
|
|
|
|
|
2013-03-06 21:09:17 -06:00
|
|
|
fn box_mut_recs(v: &mut Outer) {
|
2014-07-07 18:35:15 -05:00
|
|
|
borrow(&*v.f.g.h); // OK: &mut -> &imm
|
2012-04-26 18:02:01 -05:00
|
|
|
}
|
|
|
|
|
2015-03-25 19:06:52 -05:00
|
|
|
fn box_imm(v: &Box<isize>) {
|
2014-07-07 18:35:15 -05:00
|
|
|
borrow(&**v); // OK
|
2012-04-26 18:02:01 -05:00
|
|
|
}
|
|
|
|
|
2013-03-06 21:09:17 -06:00
|
|
|
fn box_imm_rec(v: &Rec) {
|
2014-07-07 18:35:15 -05:00
|
|
|
borrow(&*v.f); // OK
|
2012-04-26 18:02:01 -05:00
|
|
|
}
|
|
|
|
|
2013-03-06 21:09:17 -06:00
|
|
|
fn box_imm_recs(v: &Outer) {
|
2014-07-07 18:35:15 -05:00
|
|
|
borrow(&*v.f.g.h); // OK
|
2012-04-26 18:02:01 -05:00
|
|
|
}
|
|
|
|
|
2013-09-25 02:43:37 -05:00
|
|
|
pub fn main() {
|
2012-04-26 18:02:01 -05:00
|
|
|
}
|