#[derive(Copy, Clone)]
pub enum JexOpCode {
    Constant = 0,
    Null = 1,
    True = 2,
    False = 3,
    Pop = 4,
    GetLocal = 5,
    SetLocal = 6,
    GetGlobal = 7,
    DefineGlobal = 8,
    SetGlobal = 9,
    Print = 10,
    Not = 11,
    Equal = 12,
    Greater = 13,
    Less = 14,
    Negate = 15,
    Add = 16,
    Subtract = 17,
    Multiply = 18,
    Divide = 19,
    JumpForward = 20,
    JumpForwardIfFalse = 21,
    JumpBackward = 22,
    Call = 23,
    Return = 24,
    ToString = 25,
    ReadLine = 26,
    ParseInt = 27,
}
