Constants

const int number1 = 1; // constant outside the function

int main(void)
{
    const int number2 = 2; // constant inside the function
}

const int number1 {1}; // constant outside the function

int main()
{
    const int number2 {2}; // constant inside the function
}

class program
{
    const int number1 = 1; // class-level constant

    static void Main(string[] args)
    {
        const int number2 = 2; // method-level constant
        Console.WriteLine(number2);
    }
}

(defconstant +number1+ 1)

const int number1 = 1; // constant calculated at compile time
final int number2 = 2; // constant calculated at runtime

let number = 123

const pi float64 = 3.1415

// Multiple declaration of constants
const (
    pi float64 = 3.1415
    e float64 = 2.7182
)

// Alternative option
const pi, e = 3.1415, 2.7182

// Declaration of constants with automatic initialization
const (
    a = 1
    b // b = 1
    c // c = 1
    d = 3
    f // f = 3
)

// Using iota identifier to initialize constants
const (
    C0 = iota // iota is 0, increases with each row
    C1        // increase by 1, iota is 1
    C2 = iota // iota is 2
)

class Program {
    final int number0 = 0; // non-static class-level constant
    final static int number1 = 1; // class-level static constant

    public static void main(String[] args) {  
        final int number2 = 2; // method-level constant
        System.out.println(number1);
        System.out.println(number2);
    }
}

const number = 123;

const person = {name: "Tom", age: 37};
Object.freeze(person);

person.name = "Bob";
console.log(person.name); // Tom - the property value has not changed

const val number = 1

fun main() {
    println(number)
}

const NUMBER1: i32 = 1; // global constant

fn main() {
    const NUMBER2: i32 = 2; // function-level constant
    println!("NUMBER1 = {}", NUMBER1);
    println!("NUMBER2 = {}", NUMBER2);
}