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kunigami/borrow_mut.rs

Created March 9, 2019 04:10
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borrow_mut.rs
let mut vec1 = vec![1, 2, 3];
{
let vec2 = &mut vec1;
// We can mutate s1's data via a mutable reference!
vec2.push(4);
println!("{}", vec2.len());
}
println!("{}", vec1.len());
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