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-rw-r--r--rust/theBook/chapter-8-common-collections/vector/Cargo.toml8
-rw-r--r--rust/theBook/chapter-8-common-collections/vector/src/main.rs20
2 files changed, 28 insertions, 0 deletions
diff --git a/rust/theBook/chapter-8-common-collections/vector/Cargo.toml b/rust/theBook/chapter-8-common-collections/vector/Cargo.toml
new file mode 100644
index 0000000..07892cc
--- /dev/null
+++ b/rust/theBook/chapter-8-common-collections/vector/Cargo.toml
@@ -0,0 +1,8 @@
+[package]
+name = "vector"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
diff --git a/rust/theBook/chapter-8-common-collections/vector/src/main.rs b/rust/theBook/chapter-8-common-collections/vector/src/main.rs
new file mode 100644
index 0000000..96bd094
--- /dev/null
+++ b/rust/theBook/chapter-8-common-collections/vector/src/main.rs
@@ -0,0 +1,20 @@
+fn main() {
+ let mut v = vec![1,2,3,4,5];
+
+ let op: &i32 = &v[2];
+ println!("The third element is {op}");
+
+ let op: Option<&i32> = v.get(2);
+ match op {
+ Some(i) => println!("this is {i}"),
+ None => println!("this isn't"),
+ }
+
+ v.push(6);
+
+ for i in &mut v {
+ *i += 50;
+ println!("{i}");
+ }
+
+}