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June 5, 2018 19:40
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Demonstration of reborrowing
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| fn incr_int(a: &mut u32) { | |
| *a += 1; | |
| } | |
| fn main() { | |
| let mut a = 42; | |
| let mut_ref = &mut a; | |
| incr_int(&mut *mut_ref); | |
| incr_int(&mut *mut_ref); | |
| println!("{}", *mut_ref); | |
| } |
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