Arg []args = fun.getClosureUseArgs();
if (args != null && args.length > 0) {
_args = new Value[args.length];
for (int i = 0; i < args.length; i++) {
Arg arg = args[i];
if (arg.isReference())
_args[i] = env.getRef(arg.getName());
else
_args[i] = env.getValue(arg.getName());
}
}
}