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 befor64use befor64use penfcharacter(5)::array_s(1:2)call b64_decode(code='aGVsbG93b3JsZA==',s=array_s)print"(L1)",array_s(1)//array_s(2)=='helloworld'endprogram volatile_doctest