finish chapter 3

1 files changed, 42 insertions, 0 deletions

diff --git a/rust/theBook/chapter-3-variables-and-mutability/control-loops/src/main.rs b/rust/theBook/chapter-3-variables-and-mutability/control-loops/src/main.rs
new file mode 100644
index 0000000..e0e6f4c
--- /dev/null
+++ b/rust/theBook/chapter-3-variables-and-mutability/control-loops/src/main.rs
@@ -0,0 +1,42 @@
+fn main() {
+    let mut counter = 0;
+
+    let result = loop {
+        counter += 1;
+
+        if counter == 10 {
+            break counter * 2;
+        }
+    };
+
+    println!("the result is {result}");
+
+    let mut count = 0;
+
+    'counting_up: loop {
+        println!("count = {count}");
+        let mut remaining = 10;
+
+        loop {
+            println!("remaining = {remaining}");
+
+            if remaining == 9 {
+                break;
+            }
+            if count == 2 {
+                break 'counting_up;
+            }
+            remaining -= 1;
+        }
+
+        count += 1;
+    }
+    println!("count = {count}");
+
+    let mura = [1,2,3,4,5];
+
+    for a in mura.into_iter() {
+        println!("{a}");
+    }
+    println!("{:?}",mura);
+}