ראסט עם דוגמאות: ערכים ואופרטורים

• Literals and Operators

examples/rust-by-example-literals-and-operators/src/main.rs

fn main() {
    // Integer addition
    println!("1 + 2 = {}", 1u32 + 2);

    // Integer subtraction
    println!("1 - 2 = {}", 1i32 - 2);
    // TODO ^ Try changing `1i32` to `1u32` to see why the type is important

    // Scientific notation
    println!("1e4 is {}, -2.5e-3 is {}", 1e4, -2.5e-3);

    // Short-circuiting boolean logic
    println!("true AND false is {}", true && false);
    println!("true OR false is {}", true || false);
    println!("NOT true is {}", !true);

    // Bitwise operations
    let a = 0b0011;
    println!("{}", a);
    println!("0011 AND 0101 is {:04b}", a & 0b0101);
    println!("0011 OR 0101 is {:04b}", 0b0011u32 | 0b0101);
    println!("0011 XOR 0101 is {:04b}", 0b0011u32 ^ 
                                        0b0101);

    let b = 1u32;
    println!("{} << 5 is {}",b, b << 5);
    println!("{:06b} << 5 is {:06b}",b, b << 5);
    println!("0x80 >> 2 is 0x{:x}", 0x80u32 >> 2);

    // Use underscores to improve readability!
    println!("One million is written as {}", 1_000_000u32);
}