#[derive(Debug)]
pub enum OpCode {
/// Push a constant onto the stack.
OpConstant(usize),
// Literal pushes
OpNil,
OpTrue,
OpFalse,
/// Return from the current function.
OpReturn,
// Boolean & comparison operators
OpNot,
OpEqual,
OpGreater,
OpLess,
/// Unary negation
OpNegate,
// Arithmetic operators
OpAdd,
OpSubtract,
OpMultiply,
OpDivide,
// Built in operations
OpPrint,
OpPop,
// Variable management
OpDefineGlobal(usize),
OpGetGlobal(usize),
}