Nodes of different colours represent the following:
Solid arrows point from a file to a file which depends upon it. A file is dependent upon another if the latter must be compiled before the former can be.
program volatile_doctest use befor64 use befor64 use penf integer(I1P) :: array_I1(1:2) call b64_decode(code='eP8=',n=array_I1) print "(L1)", str(n=array_I1)==str(n=[120_I1P,-1_I1P]) endprogram volatile_doctest