From 3016c87f22a8200ad327752d51ed05af1082bce6 Mon Sep 17 00:00:00 2001 From: Artur Zinurov Date: Thu, 4 Jan 2024 23:55:30 -0600 Subject: [PATCH] vectors done --- exercises/05_vecs/vecs1.rs | 5 ++--- exercises/05_vecs/vecs2.rs | 5 ++--- 2 files changed, 4 insertions(+), 6 deletions(-) diff --git a/exercises/05_vecs/vecs1.rs b/exercises/05_vecs/vecs1.rs index 65b7a7f8..b99b1ff6 100644 --- a/exercises/05_vecs/vecs1.rs +++ b/exercises/05_vecs/vecs1.rs @@ -7,11 +7,10 @@ // // Execute `rustlings hint vecs1` or use the `hint` watch subcommand for a hint. -// I AM NOT DONE fn array_and_vec() -> ([i32; 4], Vec) { - let a = [10, 20, 30, 40]; // a plain array - let v = // TODO: declare your vector here with the macro for vectors + let a: [i32; 4] = [10, 20, 30, 40]; // a plain array + let v: Vec = vec![10, 20, 30, 40]; // TODO: declare your vector here with the macro for vectors (a, v) } diff --git a/exercises/05_vecs/vecs2.rs b/exercises/05_vecs/vecs2.rs index e92c970a..e6eb37a3 100644 --- a/exercises/05_vecs/vecs2.rs +++ b/exercises/05_vecs/vecs2.rs @@ -7,13 +7,12 @@ // // 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 +23,7 @@ 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() }