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Add move_semantics 1 and 2

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This commit is contained in:
Evie Litherland-Smith 2023-12-16 12:18:19 +00:00
parent b71bff8509
commit 82055482e9
2 changed files with 4 additions and 8 deletions
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4
exercises/move_semantics/move_semantics1.rs
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@ -3,8 +3,6 @@
// Execute `rustlings hint move_semantics1` or use the `hint` watch subcommand // Execute `rustlings hint move_semantics1` or use the `hint` watch subcommand
// for a hint. // for a hint.
// I AM NOT DONE
#[test] #[test]
fn main() { fn main() {
let vec0 = vec![22, 44, 66]; let vec0 = vec![22, 44, 66];
@ -15,7 +13,7 @@ fn main() {
} }
fn fill_vec(vec: Vec<i32>) -> Vec<i32> { fn fill_vec(vec: Vec<i32>) -> Vec<i32> {
let vec = vec; let mut vec = vec;
vec.push(88); vec.push(88);

8
exercises/move_semantics/move_semantics2.rs
View file

@ -5,20 +5,18 @@
// Execute `rustlings hint move_semantics2` or use the `hint` watch subcommand // Execute `rustlings hint move_semantics2` or use the `hint` watch subcommand
// for a hint. // for a hint.
// I AM NOT DONE
#[test] #[test]
fn main() { fn main() {
let vec0 = vec![22, 44, 66]; let vec0 = vec![22, 44, 66];
let mut vec1 = fill_vec(vec0); let mut vec1 = fill_vec(&vec0);
assert_eq!(vec0, vec![22, 44, 66]); assert_eq!(vec0, vec![22, 44, 66]);
assert_eq!(vec1, vec![22, 44, 66, 88]); assert_eq!(vec1, vec![22, 44, 66, 88]);
} }
fn fill_vec(vec: Vec<i32>) -> Vec<i32> { fn fill_vec(vec: &Vec<i32>) -> Vec<i32> {
let mut vec = vec; let mut vec = vec.to_owned();
vec.push(88); vec.push(88);