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소유권 이전 2번까지 해결

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This commit is contained in:
blacktoast 2021-09-28 06:45:45 +00:00
parent 5e0ec8cb10
commit d9d4a2e2f3
2 changed files with 8 additions and 9 deletions
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4
exercises/move_semantics/move_semantics1.rs
View File

@ -6,11 +6,11 @@
fn main() {
let vec0 = Vec::new();
let vec1 = fill_vec(vec0);
let mut vec1 = fill_vec(vec0);
println!("{} has length {} content `{:?}`", "vec1", vec1.len(), vec1);
vec1.push(88);
vec1.push(88);
println!("{} has length {} content `{:?}`", "vec1", vec1.len(), vec1);
}

13
exercises/move_semantics/move_semantics2.rs
View File

@ -6,20 +6,19 @@
fn main() {
let vec0 = Vec::new();
let mut vec1 = fill_vec(vec0);
let mut vec1 = fill_vec(&vec0);
vec0.push(2);
// Do not change the following line!
println!("{} has length {} content `{:?}`", "vec0", vec0.len(), vec0);
println!("{:?}",vec0);
vec1.push(88);
println!("{} has length {} content `{:?}`", "vec1", vec1.len(), vec1);
}
fn fill_vec(vec: Vec<i32>) -> Vec<i32> {
let mut vec = vec;
fn fill_vec(vec: &Vec<i32>) -> Vec<i32> {
let mut vec = Vec::new();
vec.push(22);
vec.push(44);
vec.push(66);