finish chapter 8

1 files changed, 18 insertions, 0 deletions

diff --git a/rust/theBook/chapter-8-common-collections/string/src/main.rs b/rust/theBook/chapter-8-common-collections/string/src/main.rs
new file mode 100644
index 0000000..c28e5b1
--- /dev/null
+++ b/rust/theBook/chapter-8-common-collections/string/src/main.rs
@@ -0,0 +1,18 @@
+fn main() {
+    let mut m = String::from("Hello");
+    println!("{}",m);
+
+    m.push_str(" World");
+    println!("{}",m);
+
+    let p = ", World";
+    let l = m + &p;
+    println!("{}",l);
+
+    let z = "tic";
+    let x = "tac";
+    let c = "toe";
+
+    let s = format!("{z}-{x}{c}");
+    println!("{s}");
+}