14 lines
329 B
Rust
14 lines
329 B
Rust
// Slightly different from explicit-mut-annotated -- this won't show an error until borrowck.
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// Should it show a type error instead?
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fn main() {
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let Some(n): &mut Option<i32> = &mut &Some(5i32) else {
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//~^ ERROR cannot borrow data in a `&` reference as mutable
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return
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};
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*n += 1;
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let _ = n;
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}
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