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33 lines
1.4 KiB
Text
33 lines
1.4 KiB
Text
error[E0499]: cannot borrow `y` as mutable more than once at a time
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--> $DIR/issue-18783.rs:7:21
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LL | c.push(Box::new(|| y = 0));
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| -- - first borrow occurs due to use of `y` in closure
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| first mutable borrow occurs here
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LL | c.push(Box::new(|| y = 0));
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| ^^ - second borrow occurs due to use of `y` in closure
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| second mutable borrow occurs here
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LL |
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LL | }
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| - first borrow might be used here, when `c` is dropped and runs the destructor for type `RefCell<Vec<Box<dyn FnMut()>>>`
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error[E0499]: cannot borrow `y` as mutable more than once at a time
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--> $DIR/issue-18783.rs:16:29
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LL | Push::push(&c, Box::new(|| y = 0));
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| -- - first borrow occurs due to use of `y` in closure
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| first mutable borrow occurs here
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LL | Push::push(&c, Box::new(|| y = 0));
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| ^^ - second borrow occurs due to use of `y` in closure
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| second mutable borrow occurs here
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LL |
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LL | }
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| - first borrow might be used here, when `c` is dropped and runs the destructor for type `RefCell<Vec<Box<dyn FnMut()>>>`
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error: aborting due to 2 previous errors
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For more information about this error, try `rustc --explain E0499`.
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