a = inout.AddOne1(1);
if (a ~= 2)
  error
end

a = inout.AddOne3(1,1,1);
if (a ~= [2,2,2])
  error
end

a = inout.AddOne1p((1,1));
if (a ~= (2,2))
  error
end

a = inout.AddOne2p((1,1),1);
if (a ~= [(2,2),2])
  error
end

a = inout.AddOne3p(1,(1,1),1);
if (a ~= [2,(2,2),2])
  error
end