hello_world.rs

fn main() {

  let item = "muffin";

  let thing1;

  if item == "salad" {
    thing1 = "salad item";
  } else if item == "muffin" {
    thing1 = "muffin item";
  } else {
    thing1 = "other item";
  }

  println!("test assign w/semi: {}", thing1);

  let thing2 =
      if item == "salad" {
        "salad item";
      } else if item == "muffin" {
        "muffin item";
      } else {
        "other item";
      };

  println!("test direct assign w/semi: {}", thing2);

  let thing3 =
      if item == "salad" {
        "salad item"
      } else if item == "muffin" {
        "muffin item"
      } else {
        "other item"
      };

//
  println!("test direct assign w/o semi: {}", thing3)

  match item {
    "salad" => { println!("test match: salad item") }
    "muffin" => println!("test match: muffin item"),
    _ => println!("test match: other item")
  }
}

output

test assign w/semi: muffin item
test direct assign w/semi: ()
test direct assign w/o semi: muffin item
test match: muffin item