Nodes of different colours represent the following:
Solid arrows point from a file to a file which it depends on. A file
is dependent upon another if the latter must be compiled before the former
can be.
Source Code
program volatile_doctestuse penf_allocatable_memoryuse penfinteger(I1P),allocatable::a(:),b(:)allocate(b(1:1))call assign_allocatable(a,b)print*,allocated(a)endprogram volatile_doctest