mirror of https://github.com/rust-lang/rust
76 lines
3.3 KiB
Plaintext
76 lines
3.3 KiB
Plaintext
error[E0499]: cannot borrow `x` as mutable more than once at a time
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--> $DIR/borrowck-closures-two-mut.rs:12:24
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LL | let c1 = to_fn_mut(|| x = 4);
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| -- - first borrow occurs due to use of `x` in closure
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| first mutable borrow occurs here
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LL | let c2 = to_fn_mut(|| x = 5);
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| ^^ - second borrow occurs due to use of `x` in closure
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| second mutable borrow occurs here
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LL | drop((c1, c2));
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| -- first borrow later used here
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error[E0499]: cannot borrow `x` as mutable more than once at a time
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--> $DIR/borrowck-closures-two-mut.rs:23:24
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LL | let c1 = to_fn_mut(|| set(&mut x));
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| -- - first borrow occurs due to use of `x` in closure
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| first mutable borrow occurs here
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LL | let c2 = to_fn_mut(|| set(&mut x));
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| ^^ - second borrow occurs due to use of `x` in closure
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| second mutable borrow occurs here
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LL | drop((c1, c2));
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| -- first borrow later used here
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error[E0499]: cannot borrow `x` as mutable more than once at a time
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--> $DIR/borrowck-closures-two-mut.rs:30:24
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LL | let c1 = to_fn_mut(|| x = 5);
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| -- - first borrow occurs due to use of `x` in closure
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| first mutable borrow occurs here
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LL | let c2 = to_fn_mut(|| set(&mut x));
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| ^^ - second borrow occurs due to use of `x` in closure
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| second mutable borrow occurs here
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LL | drop((c1, c2));
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| -- first borrow later used here
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error[E0499]: cannot borrow `x` as mutable more than once at a time
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--> $DIR/borrowck-closures-two-mut.rs:37:24
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LL | let c1 = to_fn_mut(|| x = 5);
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| -- - first borrow occurs due to use of `x` in closure
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| first mutable borrow occurs here
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LL | let c2 = to_fn_mut(|| { let _y = to_fn_mut(|| set(&mut x)); }); // (nested closure)
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| ^^ - second borrow occurs due to use of `x` in closure
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| second mutable borrow occurs here
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LL |
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LL | drop((c1, c2));
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| -- first borrow later used here
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error[E0499]: cannot borrow `x` as mutable more than once at a time
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--> $DIR/borrowck-closures-two-mut.rs:49:24
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LL | let c1 = to_fn_mut(|| set(&mut *x.f));
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| -- ---- first borrow occurs due to use of `x` in closure
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| first mutable borrow occurs here
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LL | let c2 = to_fn_mut(|| set(&mut *x.f));
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| ^^ ---- second borrow occurs due to use of `x` in closure
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| second mutable borrow occurs here
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LL |
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LL | drop((c1, c2));
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| -- first borrow later used here
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error: aborting due to 5 previous errors
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For more information about this error, try `rustc --explain E0499`.
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