Error: If selector expression in SELECT TYPE is not a named variable, associate-name=> shall appear

Question

I am trying to use a type in another type. However, I just cannot make it compile. It is strange to me: the select type thing works in the main program but it doesn\'t work in a

Answer 1

No reason to use a pointer, just use the association part of select type (you did not write the error message, but IIRC it is quite descriptive):

   select type (twf => this%WF)