rustlings/exercises/move_semantics/move_semantics2.rs

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// move_semantics2.rs
//
// Expected output:
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// vec0 has length 3, with contents `[22, 44, 66]`
// vec1 has length 4, with contents `[22, 44, 66, 88]`
//
// Execute `rustlings hint move_semantics2` or use the `hint` watch subcommand
// for a hint.
// I AM NOT DONE
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fn main() {
let vec0 = Vec::new();
let mut vec1 = fill_vec(vec0);
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println!("{} has length {}, with contents: `{:?}`", "vec0", vec0.len(), vec0);
vec1.push(88);
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println!("{} has length {}, with contents `{:?}`", "vec1", vec1.len(), vec1);
}
fn fill_vec(vec: Vec<i32>) -> Vec<i32> {
let mut vec = vec;
vec.push(22);
vec.push(44);
vec.push(66);
vec
}