Add branches (if..else/loops)

branches/Cargo.toml

@@ -0,0 +1,8 @@
+[package]
+name = "branches"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]

branches/src/main.rs

@@ -0,0 +1,101 @@
+fn main() {
+    if_expressions();
+    if_expressions_multiple_branches();
+    if_expressions_one_line();
+    loop_infinitely();
+    loop_with_return_value();
+    while_loop();
+    for_loop();
+}
+
+fn if_expressions() {
+    let number = 3;
+
+    if number < 5 {
+        println!("condition was true");
+    } else {
+        println!("condition was false");
+    }
+}
+
+fn if_expressions_multiple_branches() {
+    let number = 6;
+
+    if number % 4 == 0 {
+        println!("number is divisible by 4");
+    } else if number % 3 == 0 {
+        println!("number is divisible by 3");
+    } else if number % 2 == 0 {
+        println!("number is divisible by 2");
+    } else {
+        println!("number is not divisible by 4, 3, or 2");
+    }
+}
+
+fn if_expressions_one_line() {
+    let condition = true;
+    let number = if condition { 5 } else { 6 };
+
+    println!("The value of number is: {}", number);
+}
+
+fn loop_infinitely() {
+    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!("End count = {}", count);
+}
+
+fn loop_with_return_value() {
+    let mut counter = 0;
+
+    let result = loop {
+        counter += 1;
+
+        if counter == 10 {
+            break counter * 2;
+        }
+    };
+
+    println!("The result is {}", result);
+}
+
+fn while_loop() {
+    let mut number = 3;
+
+    while number != 0 {
+        println!("{}!", number);
+        number -= 1;
+    }
+
+    println!("LIFTOFF!!!");
+}
+
+fn for_loop() {
+    let a = 1..5;
+
+    for element in a {
+        println!("The value is -> {}", element);
+    }
+
+    for number in (1..4).rev() {
+        println!("{}!", number);
+    }
+
+    println!("LIFTOFF!!!");
+}