finish chapter 3

2 files changed, 27 insertions, 0 deletions

diff --git a/rust/theBook/chapter-3-variables-and-mutability/control-if/Cargo.toml b/rust/theBook/chapter-3-variables-and-mutability/control-if/Cargo.toml
new file mode 100644
index 0000000..141fef0
--- /dev/null
+++ b/rust/theBook/chapter-3-variables-and-mutability/control-if/Cargo.toml
@@ -0,0 +1,8 @@
+[package]
+name = "control-if"
+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-3-variables-and-mutability/control-if/src/main.rs b/rust/theBook/chapter-3-variables-and-mutability/control-if/src/main.rs
new file mode 100644
index 0000000..8866444
--- /dev/null
+++ b/rust/theBook/chapter-3-variables-and-mutability/control-if/src/main.rs
@@ -0,0 +1,19 @@
+fn main() {
+    let number = 3;
+
+    if number < 5 {
+        println!("number is less than 5");
+    }   else {
+        println!("number is bigger than 5");
+    }
+
+    let use_let = if number < 5 {number} else {5};
+
+    println!("number is {use_let}");
+
+    println!("number is {}", if number < 5 {4} else {6});
+
+    let names = ["name", "is", "idiot"];
+
+    println!("names: {:?}",names);
+}