public JCTree visitUnary(UnaryTree node, P p) {
JCUnary t = (JCUnary) node;
JCExpression arg = copy(t.arg, p);
return M.at(t.pos).Unary(t.getTag(), arg);
}
@Override
public Void visitUnary(final UnaryTree tree, final Void p) {
JCUnary unary = (JCUnary) tree;
unary.arg = replace(unary.arg);
return super.visitUnary(tree, p);
}