Nodes of different colours represent the following:
Solid arrows point from a procedure to one which it calls. Dashed
arrows point from an interface to procedures which implement that interface.
This could include the module procedures in a generic interface or the
implementation in a submodule of an interface in a parent module.
FUNCTION assert_eq2(n1,n2,string)CHARACTER(LEN=*),INTENT(IN)::stringINTEGER,INTENT(IN)::n1,n2INTEGER::assert_eq2if(n1==n2)thenassert_eq2=n1else write(*,*)'nrerror: an assert_eq failed with this tag:',&stringSTOP'program terminated by assert_eq2'end if END FUNCTION assert_eq2