topic Re: what we can do with REF type in Application Development and Automation Discussions

what we can do with REF type

Former Member — Tue, 18 Nov 2014 02:56:36 GMT

DATA g_ref TYPE REF TO char10.

CREATE DATA g_ref.

Now we can write like:

g_ref->* = 'xyz'.

But how we can do with 'g_ref'?

Is there anythin like p++ in C?

Re: what we can do with REF type

Former Member — Tue, 18 Nov 2014 03:05:05 GMT

For example, if I want to loop internal table

how can I use type ref to to replace LOOP it_tab ASSIGNING <fs>?

Re: what we can do with REF type

Former Member — Tue, 18 Nov 2014 06:25:12 GMT

This message was moderated.

Re: what we can do with REF type

Former Member — Tue, 18 Nov 2014 06:29:50 GMT

Hi, thank you for the reply.

REF type is a little bit diff from pointer.

I only know dereference it by g_ref->*, but how can I use g_ref itself?

Re: what we can do with REF type

Former Member — Tue, 18 Nov 2014 06:40:47 GMT

Hi Ming,

As far as I know,

Reference variables are initial when you declare them. They do not point to an object. You cannot dereference an initial reference variable. A data reference variable can point to a data object if you

· Use it to create a data object dynamically.

· Use it to get a reference to a data object.

· Assign an existing data reference to it from another data reference variable.

For more details pls check.

http://help.sap.com/saphelp_nw70/helpdata/en/9a/871ad40c6c11d3b9350000e8353423/content.htm