At [1] you will find two versions of "rexxpg.pdf":
* "rexxpg-before-changing-chapter-5.pdf"
* and the latest draft "rexxpg.pdf"
There has been a *lot* of work in correcting, completing, updating, enhancing
this chapter which
among other things contained outright wrong information like:
say myarray /* SAY sends STRING message to Myarray */
Results:
an Array
Whenever a method
The SAY instruction does *not* send the string message, rather the required
string mechanism
gets triggered for such instructions or classic Rexx built-in functions,
the output has changed
as Array's makestring method employs its tostring method which turnes the
array object to a
string where each stored item's string value is listed in its own line
(items are separated by
CR-LF).
There are many places where a reader, especially a newcomer cannot realize what
the term "variable"
denotes in which context. Now that we have an attribute directive I added in
parentheses that term
to make it a) clear that an object/instance variable a.k.a. attribute is meant
and b) that the
relationship to the attribute directive becomes clear.
Many little things got tackled as well, like wrong examples or new examples to
demonstrate the
environment object .syscargs, markup at wrong places, ...
As this was more than a day's work and I am not a native English speaker I
would really appreciate
if some native speakers would proof-read that chapter 5, A Closer Look at
Objects. If something is
unclear or the English needs corrections or brush ups, please let me know.
Chances are that you
learn something new as a price! ;-)
---rony
[1] Temporary Dropbox link to the above books:
<https://www.dropbox.com/sh/gxvvgskb04gdsqf/AACRo_ZLeFOdoBXUHroPY_-Ca?dl=0>
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