pointers - Pointing to a object's type variable - Fortran -


as understand, user-derived type's definition can't contain target attributes. e.g., isn't allowed:

type testtype     integer, target :: t end type

however, it's fine them pointer:

type testtype2     integer, pointer :: p end type

my question is, then, how can 1 use pointer point @ object's type variable? example, if wanted object of type(testtype2) have p variable point object of type(testtype)'s t variable, how go this? example:

type(testtype) :: tt type(testtype2) :: tt2 tt%t = 1 tt%p => tt%t

thanks!

there little sense in

type testtype     integer, target :: t end type

because values of type(testtype) may come in contexts cannot target of pointer.

as @roygvib comments, have give target attribute whole object variable:

type(testtype), target :: tt

then can make pointers of components.

i imagine 1 allow giving target attribute allocatable structure components in type declaration, not allowed. not make sense regular components.


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