diff --git a/exercises/05_vecs/vecs2.rs b/exercises/05_vecs/vecs2.rs index e92c970a..436ebb2d 100644 --- a/exercises/05_vecs/vecs2.rs +++ b/exercises/05_vecs/vecs2.rs @@ -7,13 +7,13 @@ // // Execute `rustlings hint vecs2` or use the `hint` watch subcommand for a hint. -// I AM NOT DONE + fn vec_loop(mut v: Vec) -> Vec { for element in v.iter_mut() { // TODO: Fill this up so that each element in the Vec `v` is // multiplied by 2. - ??? + *element *=2; } // At this point, `v` should be equal to [4, 8, 12, 16, 20]. @@ -24,7 +24,7 @@ fn vec_map(v: &Vec) -> Vec { v.iter().map(|element| { // TODO: Do the same thing as above - but instead of mutating the // Vec, you can just return the new number! - ??? + element*2 }).collect() }