rust/tests/ui/mut/mut-cant-alias.rs

use std::cell::RefCell;


fn main() {
    let m = RefCell::new(0);
    let mut b = m.borrow_mut();
    let b1 = &mut *b;
    let b2 = &mut *b; //~ ERROR cannot borrow
    b1.use_mut();
}

trait Fake { fn use_mut(&mut self) { } fn use_ref(&self) { }  }
impl<T> Fake for T { }
Move mutable::Mut to cell::RefCell 2013-11-22 05:30:34 +00:00			`use std::cell::RefCell;`
More Mut tests 2013-11-16 22:35:35 +00:00
Updated the most glaring instances of weak tests w.r.t. NLL that came from #53196. See also the bulletpoint list on #53351. 2018-08-14 23:16:05 +00:00

More Mut tests 2013-11-16 22:35:35 +00:00			`fn main() {`
Kill more `isize`s 2015-01-31 16:23:42 +00:00			`let m = RefCell::new(0);`
More Mut tests 2013-11-16 22:35:35 +00:00			`let mut b = m.borrow_mut();`
test: Fix fallout of removing get() 2014-03-21 05:06:51 +00:00			`let b1 = &mut *b;`
			`let b2 = &mut *b; //~ ERROR cannot borrow`
Updated the most glaring instances of weak tests w.r.t. NLL that came from #53196. See also the bulletpoint list on #53351. 2018-08-14 23:16:05 +00:00			`b1.use_mut();`
More Mut tests 2013-11-16 22:35:35 +00:00			`}`
Updated the most glaring instances of weak tests w.r.t. NLL that came from #53196. See also the bulletpoint list on #53351. 2018-08-14 23:16:05 +00:00
			`trait Fake { fn use_mut(&mut self) { } fn use_ref(&self) { } }`
			`impl<T> Fake for T { }`