completed till 11

exercises/06_ticket_management/11_mutable_slices/src/lib.rs

@@ -1,6 +1,14 @@
 // TODO: Define a function named `squared` that raises all `i32`s within a slice to the power of 2.
 //  The slice should be modified in place.
 
+fn squared(v: &mut [i32]) {
+    for val in v.iter_mut() {
+        *val = val.pow(2);
+    }
+    // let b = v.iter().map(|a| a.pow(2)).collect::<Vec<_>>().as_slice();
+    // v = b;
+}
+
 #[cfg(test)]
 mod tests {
     use super::*;