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);

}

output

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