@Override
public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
    int argsLength = args == null ? 0 : args.length;
    
    if(parameters.length != argsLength)
        throw new InterpreterException("Number of Lambda parameters doesn't match. Caller provided "+args.length+"" +
                " arguments, yet the LAMBDA only has "+parameters.length+" ids. "+body);

    // initialize arguments as variables in the lambda
    for (int i = 0; i < parameters.length; i++) {
        lambdaBody.getVars().put(parameters[i].id, args[i]);
    }

    lambdaBody.start();

    return lambdaBody.result();
}