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making a clone of vec0 then pushing values into it

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This commit is contained in:
Hariettemaina 2023-05-25 11:43:44 +03:00
parent 497dfdd372
commit 209f420ffe
1 changed files with 4 additions and 9 deletions
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13
exercises/move_semantics/move_semantics2.rs
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@ -5,28 +5,23 @@
// vec0 has length 3 content `[22, 44, 66]` // vec0 has length 3 content `[22, 44, 66]`
// vec1 has length 4 content `[22, 44, 66, 88]` // vec1 has length 4 content `[22, 44, 66, 88]`
// I AM NOT DONE
fn main() { fn main() {
let vec0 = Vec::new(); let vec0 = Vec::new();
let mut vec1 = fill_vec(vec0.clone());
// Do not move the following line!
let mut vec1 = fill_vec(vec0);
// Do not change the following line! // Do not change the following line!
println!("{} has length {} content `{:?}`", "vec0", vec0.len(), vec0); println!("{} has length {} content `{:?}`", "vec0", vec0.len(), vec0);
let mut vec1 = fill_vec(vec0);
vec1.push(88);
vec1.push(88);
println!("{} has length {} content `{:?}`", "vec1", vec1.len(), vec1); println!("{} has length {} content `{:?}`", "vec1", vec1.len(), vec1);
} }
fn fill_vec(vec: Vec<i32>) -> Vec<i32> { fn fill_vec(mut vec: Vec<i32>) -> Vec<i32> {
let mut vec = vec;
vec.push(22); vec.push(22);
vec.push(44); vec.push(44);
vec.push(66); vec.push(66);
vec vec
} }