You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: primitive_types1.rs
    path of file: ./repos/rustlings/exercises/04_primitive_types
    
    the code of the file until where you have to start completion: // primitive_types1.rs
//
// Fill in t
    
fn main() {
    // Booleans (`bool`)

    let is_morning = true;
    if is_morning {
        println!("Good morning!");
    }

    let // Finish the rest of this line like the example! Or make it be false!
    if is_evening {
        println!("Good evening!");
    }
}