From f8d94cce2a21067d666f65d23d591f0f40cf6c36 Mon Sep 17 00:00:00 2001
From: anand <anand.panchdhari@gmail.com>
Date: Wed, 19 Nov 2025 14:35:50 +0530
Subject: Finished vecs and move semantics

---
 exercises/05_vecs/vecs1.rs                     | 2 +-
 exercises/05_vecs/vecs2.rs                     | 3 ++-
 exercises/06_move_semantics/move_semantics1.rs | 2 +-
 exercises/06_move_semantics/move_semantics2.rs | 2 +-
 exercises/06_move_semantics/move_semantics3.rs | 2 +-
 exercises/06_move_semantics/move_semantics4.rs | 6 ++++--
 exercises/06_move_semantics/move_semantics5.rs | 8 ++++----
 7 files changed, 14 insertions(+), 11 deletions(-)

diff --git a/exercises/05_vecs/vecs1.rs b/exercises/05_vecs/vecs1.rs
index 68e1aff..aa4b64c 100644
--- a/exercises/05_vecs/vecs1.rs
+++ b/exercises/05_vecs/vecs1.rs
@@ -3,7 +3,7 @@ fn array_and_vec() -> ([i32; 4], Vec<i32>) {
 
     // TODO: Create a vector called `v` which contains the exact same elements as in the array `a`.
     // Use the vector macro.
-    // let v = ???;
+    let v = vec![10, 20, 30, 40];
 
     (a, v)
 }
diff --git a/exercises/05_vecs/vecs2.rs b/exercises/05_vecs/vecs2.rs
index 0c99626..636f0a7 100644
--- a/exercises/05_vecs/vecs2.rs
+++ b/exercises/05_vecs/vecs2.rs
@@ -1,9 +1,10 @@
 fn vec_loop(input: &[i32]) -> Vec<i32> {
     let mut output = Vec::new();
 
-    for element in input {
+    for element in input.iter() {
         // TODO: Multiply each element in the `input` slice by 2 and push it to
         // the `output` vector.
+        output.push(element * 2);
     }
 
     output
diff --git a/exercises/06_move_semantics/move_semantics1.rs b/exercises/06_move_semantics/move_semantics1.rs
index 4eb3d61..bf55943 100644
--- a/exercises/06_move_semantics/move_semantics1.rs
+++ b/exercises/06_move_semantics/move_semantics1.rs
@@ -1,6 +1,6 @@
 // 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/exercises/06_move_semantics/move_semantics2.rs b/exercises/06_move_semantics/move_semantics2.rs
index a3ab7a0..e205b81 100644
--- a/exercises/06_move_semantics/move_semantics2.rs
+++ b/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/exercises/06_move_semantics/move_semantics3.rs b/exercises/06_move_semantics/move_semantics3.rs
index 11dbbbe..4a90c21 100644
--- a/exercises/06_move_semantics/move_semantics3.rs
+++ b/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/exercises/06_move_semantics/move_semantics4.rs b/exercises/06_move_semantics/move_semantics4.rs
index 56da988..3e0672c 100644
--- a/exercises/06_move_semantics/move_semantics4.rs
+++ b/exercises/06_move_semantics/move_semantics4.rs
@@ -9,9 +9,11 @@ mod tests {
     #[test]
     fn move_semantics4() {
         let mut x = Vec::new();
-        let y = &mut x;
+        {
+            let y = &mut x;
+            y.push(42);
+        }
         let z = &mut x;
-        y.push(42);
         z.push(13);
         assert_eq!(x, [42, 13]);
     }
diff --git a/exercises/06_move_semantics/move_semantics5.rs b/exercises/06_move_semantics/move_semantics5.rs
index cd0dafd..78d8c77 100644
--- a/exercises/06_move_semantics/move_semantics5.rs
+++ b/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);
 }
-- 
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