Abstractions, Reuse in 3GLs

Seima Rao

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Nov 28, 2015, 2:37:32 AM11/28/15

to Growing Object-Oriented Software

Hi,

One of object oriented programming's key features are how well one

can build higher-level abstractions and how well one can reuse code.

My fundamental question is what are modern day benchmarks

on quality object oriented programming ?

The Standard Template Library of the programming language C++

was a good way to educate people about a good approach to

programming in C++. Their implementors were good object oriented programmers.

Unfortunately, the quality of the STLs specifically in the context of

OOPs has the following attributes:

i) Data structures and OOPs is a very beginner's foray into discussing

OOPs. Why ? Everyone learns about data structures in their

day to day lives and implementing them in OOPs is no big deal.

DS are one of the oldest known subjects. And they are a System science.

Besides, the implementation of DS in C++ STL is not discussed

from a *designer's point of view*. So, if one were to seek

the horse's mouth version of the first small step in Industrial Strength

OOPs programming, there is none(header files are the only source).

ii) STLs are old by modern day standards. So, from a design point of

view, in 2015 there are no refreshes in OOPs design (in the context

of a 3GL) from the implementors of STL.

Why I mention STL is that because C++ (and C derived OOPLs) are

indeed taught in many books on object orientation. And so far

we only have these as introduction to abstractions, reuse etc.

Does this touch you ? Has there been a design evolution to more beautiful

application of object orientation considering that so many years

have been spent on object oriented programming ?

Additionally, what recourse does one take to learn the holy grail of object-orientation ?

Both in terms of design & implementation ?

Sincerely,

Seima Rao.

Steve Freeman

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Nov 28, 2015, 5:25:03 AM11/28/15

to growing-object-o...@googlegroups.com

It would help people to respond if you could give us some context for your question. Is this just a personal interest, or are you in the middle of some larger discussion?

S

Sent from my iPhone

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Kim Gräsman

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Nov 28, 2015, 9:04:18 AM11/28/15

to GOOS

Hi Seima, I don't have a real answer for you, but I wanted to mention that the C++ STL library is rarely touted as an OO library at all. I think most people see it as a model for generic programming in C++. The STL is all about separation of state and algorithms, which feels pretty un-OO...