diff options
Diffstat (limited to 'rustlings/exercises')
5 files changed, 8 insertions, 9 deletions
diff --git a/rustlings/exercises/06_move_semantics/move_semantics1.rs b/rustlings/exercises/06_move_semantics/move_semantics1.rs index 4eb3d61..9385f28 100644 --- a/rustlings/exercises/06_move_semantics/move_semantics1.rs +++ b/rustlings/exercises/06_move_semantics/move_semantics1.rs @@ -1,6 +1,5 @@ -// TODO: Fix the compiler error in this function. fn fill_vec(vec: Vec<i32>) -> Vec<i32> { - let vec = vec; + let mut vec = vec; vec.push(88); diff --git a/rustlings/exercises/06_move_semantics/move_semantics2.rs b/rustlings/exercises/06_move_semantics/move_semantics2.rs index a3ab7a0..e205b81 100644 --- a/rustlings/exercises/06_move_semantics/move_semantics2.rs +++ b/rustlings/exercises/06_move_semantics/move_semantics2.rs @@ -20,7 +20,7 @@ mod tests { fn move_semantics2() { let vec0 = vec![22, 44, 66]; - let vec1 = fill_vec(vec0); + let vec1 = fill_vec(vec0.clone()); assert_eq!(vec0, [22, 44, 66]); assert_eq!(vec1, [22, 44, 66, 88]); diff --git a/rustlings/exercises/06_move_semantics/move_semantics3.rs b/rustlings/exercises/06_move_semantics/move_semantics3.rs index 11dbbbe..4a90c21 100644 --- a/rustlings/exercises/06_move_semantics/move_semantics3.rs +++ b/rustlings/exercises/06_move_semantics/move_semantics3.rs @@ -1,5 +1,5 @@ // TODO: Fix the compiler error in the function without adding any new line. -fn fill_vec(vec: Vec<i32>) -> Vec<i32> { +fn fill_vec(mut vec: Vec<i32>) -> Vec<i32> { vec.push(88); vec diff --git a/rustlings/exercises/06_move_semantics/move_semantics4.rs b/rustlings/exercises/06_move_semantics/move_semantics4.rs index 56da988..89b412f 100644 --- a/rustlings/exercises/06_move_semantics/move_semantics4.rs +++ b/rustlings/exercises/06_move_semantics/move_semantics4.rs @@ -10,8 +10,8 @@ mod tests { fn move_semantics4() { let mut x = Vec::new(); let y = &mut x; - let z = &mut x; y.push(42); + let z = &mut x; z.push(13); assert_eq!(x, [42, 13]); } diff --git a/rustlings/exercises/06_move_semantics/move_semantics5.rs b/rustlings/exercises/06_move_semantics/move_semantics5.rs index cd0dafd..78d8c77 100644 --- a/rustlings/exercises/06_move_semantics/move_semantics5.rs +++ b/rustlings/exercises/06_move_semantics/move_semantics5.rs @@ -4,12 +4,12 @@ // removing references (the character `&`). // Shouldn't take ownership -fn get_char(data: String) -> char { +fn get_char(data: &String) -> char { data.chars().last().unwrap() } // Should take ownership -fn string_uppercase(mut data: &String) { +fn string_uppercase(mut data: String) { data = data.to_uppercase(); println!("{data}"); @@ -18,7 +18,7 @@ fn string_uppercase(mut data: &String) { fn main() { let data = "Rust is great!".to_string(); - get_char(data); + get_char(&data); - string_uppercase(&data); + string_uppercase(data); } |