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-rw-r--r--solutions/06_move_semantics/move_semantics2.rs28
1 files changed, 28 insertions, 0 deletions
diff --git a/solutions/06_move_semantics/move_semantics2.rs b/solutions/06_move_semantics/move_semantics2.rs
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+++ b/solutions/06_move_semantics/move_semantics2.rs
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+fn fill_vec(vec: Vec<i32>) -> Vec<i32> {
+ let mut vec = vec;
+
+ vec.push(88);
+
+ vec
+}
+
+fn main() {
+ // You can optionally experiment here.
+}
+
+#[cfg(test)]
+mod tests {
+ use super::*;
+
+ #[test]
+ fn move_semantics2() {
+ let vec0 = vec![22, 44, 66];
+
+ // Cloning `vec0` so that the clone is moved into `fill_vec`, not `vec0`
+ // itself.
+ let vec1 = fill_vec(vec0.clone());
+
+ assert_eq!(vec0, [22, 44, 66]);
+ assert_eq!(vec1, [22, 44, 66, 88]);
+ }
+}