23 lines
837 B
Plaintext
23 lines
837 B
Plaintext
error[E0596]: cannot borrow `f` as mutable, as it is not declared as mutable
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--> $DIR/borrowck-unboxed-closures.rs:17:5
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LL | fn b<F:FnMut(isize, isize) -> isize>(f: F) {
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| - help: consider changing this to be mutable: `mut f`
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LL | f(1, 2); //~ ERROR cannot borrow immutable argument
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| ^ cannot borrow as mutable
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error[E0382]: use of moved value: `f`
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--> $DIR/borrowck-unboxed-closures.rs:22:5
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LL | f(1, 2);
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| - value moved here
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LL | f(1, 2); //~ ERROR use of moved value
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| ^ value used here after move
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= note: move occurs because `f` has type `F`, which does not implement the `Copy` trait
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error: aborting due to 2 previous errors
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Some errors occurred: E0382, E0596.
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For more information about an error, try `rustc --explain E0382`.
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