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error[E0499]: cannot borrow `x` as mutable more than once at a time
--> $DIR/borrowck-closures-two-mut-fail.rs:16:24
|
LL | let c1 = to_fn_mut(|| x = 4);
| -- - first borrow occurs due to use of `x` in closure
| |
| first mutable borrow occurs here
LL | let c2 = to_fn_mut(|| x = 5);
| ^^ - second borrow occurs due to use of `x` in closure
| |
| second mutable borrow occurs here
LL | c1;
| -- first borrow later used here
error[E0499]: cannot borrow `x` as mutable more than once at a time
--> $DIR/borrowck-closures-two-mut-fail.rs:27:24
|
LL | let c1 = to_fn_mut(|| set(&mut x));
| -- - first borrow occurs due to use of `x` in closure
| |
| first mutable borrow occurs here
LL | let c2 = to_fn_mut(|| set(&mut x));
| ^^ - second borrow occurs due to use of `x` in closure
| |
| second mutable borrow occurs here
LL | c1;
| -- first borrow later used here
error[E0499]: cannot borrow `x` as mutable more than once at a time
--> $DIR/borrowck-closures-two-mut-fail.rs:34:24
|
LL | let c1 = to_fn_mut(|| x = 5);
| -- - first borrow occurs due to use of `x` in closure
| |
| first mutable borrow occurs here
LL | let c2 = to_fn_mut(|| set(&mut x));
| ^^ - second borrow occurs due to use of `x` in closure
| |
| second mutable borrow occurs here
LL | c1;
| -- first borrow later used here
error[E0499]: cannot borrow `x` as mutable more than once at a time
--> $DIR/borrowck-closures-two-mut-fail.rs:41:24
|
LL | let c1 = to_fn_mut(|| x = 5);
| -- - first borrow occurs due to use of `x` in closure
| |
| first mutable borrow occurs here
LL | let c2 = to_fn_mut(|| { let _y = to_fn_mut(|| set(&mut x)); }); // (nested closure)
| ^^ - second borrow occurs due to use of `x` in closure
| |
| second mutable borrow occurs here
LL |
LL | c1;
| -- first borrow later used here
error[E0499]: cannot borrow `x` as mutable more than once at a time
--> $DIR/borrowck-closures-two-mut-fail.rs:53:24
|
LL | let c1 = to_fn_mut(|| set(&mut *x.f));
| -- ---- first borrow occurs due to use of `x` in closure
| |
| first mutable borrow occurs here
LL | let c2 = to_fn_mut(|| set(&mut *x.f));
| ^^ ---- second borrow occurs due to use of `x` in closure
| |
| second mutable borrow occurs here
LL |
LL | c1;
| -- first borrow later used here
error: aborting due to 5 previous errors
For more information about this error, try `rustc --explain E0499`.
|
