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Strong data structures in PL/I

Strong data structures in PL/I

(OP)
In replyu to the orioginator of the thread :

thread346-2507: Is PL/1 a legacy language

"IBM uses a language called PLAS for development (what used
to be called PLS/III). If you go look inside of IBM MVS,
VM, VSE related product load modules you'll see the PLAS identifier. It is really PL/1 with stronger pointer capabilities, i.e., pointer arthmetic, and it has some
extended debugging capabilites. I doubt PL/1 is being used for new development, although there is definitely lots of existant code. If I remember correctly, PL/1 allows for some degree of data and behavior encapsulation."

IBM's PL/I for OS/2 and Windows was developed in 1994,
and provides strong pointer variables and data structures.
This compiler was ported to the mainframe systems
as VisualAge PL/I (about 1998), so that those facilities
(and many more new ones) are available on the
mainframe systems too.

As for debugging facilities, PL/I has always had
extensive debuging facilities as part of the language.

RE: Strong data structures in PL/I


PL/I is alive and well and living in the IT departments of many of the "Fortune 200".   Alas, IBM's price for the compiler is high-enough that you have to have a large base to justify it, and you'll probably use COBOL to get you to that large base.

Can you spell "s-h-o-o-t  m-y-s-e-l-f  i-n  t-h-e  f-o-o-t"?
 

Frank Clarke
Support the Troops:
 -- Bring them home.
http://www.RonPaul2008.com

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