This may seem like such a simple question, I should be embarrassed to ask
it. The FAQ says an object is "A region of storage with associated
semantics." OK, what exactly is meant by "associated semantics"? What, if
any, associated semantics are shared by all objects? That part seems to go
beyond the FAQ.
Does anybody know of a resource that discusses (focuses on) this topic?
--
p->m == (*p).m == p[0].m http://www.kdevelop.org http://www.suse.com http://www.mozilla.org 44  2450 
Steven T. Hatton wrote: This may seem like such a simple question, I should be embarrassed to ask
it. The FAQ says an object is "A region of storage with associated
semantics." OK, what exactly is meant by "associated semantics"? What, if
any, associated semantics are shared by all objects? That part seems to go
beyond the FAQ.
Does anybody know of a resource that discusses (focuses on) this topic?
No, I know of no resource, but the statement "a region of storage with
associated semantics" is sorta kinda equivalent to "data with operations
related to that data".
Does that help?
mark
Steven T. Hatton wrote: This may seem like such a simple question, I should be embarrassed to ask
it. The FAQ says an object is "A region of storage with associated
semantics." OK, what exactly is meant by "associated semantics"? What, if
any, associated semantics are shared by all objects? That part seems to go
beyond the FAQ.
Does anybody know of a resource that discusses (focuses on) this topic?
No, I know of no resource, but the statement "a region of storage with
associated semantics" is sorta kinda equivalent to "data with operations
related to that data".
Does that help?
mark
"Steven T. Hatton" <su******@setid ava.kushan.aa> wrote in
news:oM******** ************@sp eakeasy.net: This may seem like such a simple question, I should be embarrassed to
ask it. The FAQ says an object is "A region of storage with associated
semantics." OK, what exactly is meant by "associated semantics"?
Associated semantics define behaviour (probably a bad word) in some
context.
For example, an object in the context of C++ *can be* for example "A
region of storage with a set of methods defined". Of course this much
more specific than what you've quoted.
What, if any, associated semantics are shared by all objects? That
part seems to go beyond the FAQ.
I don't mean to sound harsh, but this question reminds me of "Why the
earth is spherical".
Does anybody know of a resource that discusses (focuses on) this
topic?
A technical dictionary?
comp.object newsgroup?
Regards.
"Steven T. Hatton" <su******@setid ava.kushan.aa> wrote in
news:oM******** ************@sp eakeasy.net: This may seem like such a simple question, I should be embarrassed to
ask it. The FAQ says an object is "A region of storage with associated
semantics." OK, what exactly is meant by "associated semantics"?
Associated semantics define behaviour (probably a bad word) in some
context.
For example, an object in the context of C++ *can be* for example "A
region of storage with a set of methods defined". Of course this much
more specific than what you've quoted.
What, if any, associated semantics are shared by all objects? That
part seems to go beyond the FAQ.
I don't mean to sound harsh, but this question reminds me of "Why the
earth is spherical".
Does anybody know of a resource that discusses (focuses on) this
topic?
A technical dictionary?
comp.object newsgroup?
Regards.
bartek wrote: "Steven T. Hatton" <su******@setid ava.kushan.aa> wrote in
news:oM******** ************@sp eakeasy.net:
This may seem like such a simple question, I should be embarrassed to
ask it. The FAQ says an object is "A region of storage with associated
semantics." OK, what exactly is meant by "associated semantics"?
Associated semantics define behaviour (probably a bad word) in some
context.
I'd accept something like how it is influenced by or influences the outcome
of programmatic operations. Maybe. Now, could I take an example such as
int, and provide an itemized list of related semantics? Not without a lot
more thinking than I've already done. I suspect scope, name resolution,
declaration, initialization, definition (yes I know), conversion, duration,
possible operations, referencing, etc. Would all be part of the semantics
of an object of type int. But to provide a comprehensive, orthogonal and
clearly specifying list of semantics would be quite a challenge.
For example, an object in the context of C++ *can be* for example "A
region of storage with a set of methods defined". Of course this much
more specific than what you've quoted.
What, if any, associated semantics are shared by all objects? That
part seems to go beyond the FAQ.
I don't mean to sound harsh, but this question reminds me of "Why the
earth is spherical".
I actually was faced with the interesting situation of meeting a reasonably
intelligent person who did *not* understand the concept that the earth is
spherical. He was from Eritrea, and had very little formal education. I
explained it to him in terms of Newtonian gravitation (without explicit
reference to the inverse-square force law.) But the Earth isn't exactly
spherical, and that takes a bit of explaining, as well. Nonetheless, I can
begin with simple concepts of classical physics and come up with a very
good approximation to what the shape of the Earth should be, and find that
it matches the observed reality. IOW, the question about the Earth is not
quite as simple as it seems at first, but it is answerable on the basis of
reasonably sound first principles.
Part of what I'm trying to get at is how much of the definition of the
concept of object is defined explicitly by the Standard, and how much is
defined by consequence of definitions which associate semantics with
specific categories of objects as 'side effects'? What /are/ the first
principles?
--
p->m == (*p).m == p[0].m http://www.kdevelop.org http://www.suse.com http://www.mozilla.org
bartek wrote: "Steven T. Hatton" <su******@setid ava.kushan.aa> wrote in
news:oM******** ************@sp eakeasy.net:
This may seem like such a simple question, I should be embarrassed to
ask it. The FAQ says an object is "A region of storage with associated
semantics." OK, what exactly is meant by "associated semantics"?
Associated semantics define behaviour (probably a bad word) in some
context.
I'd accept something like how it is influenced by or influences the outcome
of programmatic operations. Maybe. Now, could I take an example such as
int, and provide an itemized list of related semantics? Not without a lot
more thinking than I've already done. I suspect scope, name resolution,
declaration, initialization, definition (yes I know), conversion, duration,
possible operations, referencing, etc. Would all be part of the semantics
of an object of type int. But to provide a comprehensive, orthogonal and
clearly specifying list of semantics would be quite a challenge.
For example, an object in the context of C++ *can be* for example "A
region of storage with a set of methods defined". Of course this much
more specific than what you've quoted.
What, if any, associated semantics are shared by all objects? That
part seems to go beyond the FAQ.
I don't mean to sound harsh, but this question reminds me of "Why the
earth is spherical".
I actually was faced with the interesting situation of meeting a reasonably
intelligent person who did *not* understand the concept that the earth is
spherical. He was from Eritrea, and had very little formal education. I
explained it to him in terms of Newtonian gravitation (without explicit
reference to the inverse-square force law.) But the Earth isn't exactly
spherical, and that takes a bit of explaining, as well. Nonetheless, I can
begin with simple concepts of classical physics and come up with a very
good approximation to what the shape of the Earth should be, and find that
it matches the observed reality. IOW, the question about the Earth is not
quite as simple as it seems at first, but it is answerable on the basis of
reasonably sound first principles.
Part of what I'm trying to get at is how much of the definition of the
concept of object is defined explicitly by the Standard, and how much is
defined by consequence of definitions which associate semantics with
specific categories of objects as 'side effects'? What /are/ the first
principles?
--
p->m == (*p).m == p[0].m http://www.kdevelop.org http://www.suse.com http://www.mozilla.org
* "Steven T. Hatton" <su******@setid ava.kushan.aa> schriebt:
What /are/ the first principles?
Think about this: in mathematics, which is thought of as fairly strict and
well-defined, perhaps the most well-defined of all possible fields, nobody can
agree on even what _kind_ of answers that question has. Yet mathematicians
can collaborate and can (to good approximation) understand each other's good
work, although not the bad. It's the same way in programming, only more so.
--
A: Because it messes up the order in which people normally read text.
Q: Why is top-posting such a bad thing?
A: Top-posting.
Q: What is the most annoying thing on usenet and in e-mail?
* "Steven T. Hatton" <su******@setid ava.kushan.aa> schriebt:
What /are/ the first principles?
Think about this: in mathematics, which is thought of as fairly strict and
well-defined, perhaps the most well-defined of all possible fields, nobody can
agree on even what _kind_ of answers that question has. Yet mathematicians
can collaborate and can (to good approximation) understand each other's good
work, although not the bad. It's the same way in programming, only more so.
--
A: Because it messes up the order in which people normally read text.
Q: Why is top-posting such a bad thing?
A: Top-posting.
Q: What is the most annoying thing on usenet and in e-mail?
"Steven T. Hatton" <su******@setid ava.kushan.aa> wrote in
news:4I******** ************@sp eakeasy.net: bartek wrote:
"Steven T. Hatton" <su******@setid ava.kushan.aa> wrote in
news:oM******** ************@sp eakeasy.net:
This may seem like such a simple question, I should be embarrassed
to ask it. The FAQ says an object is "A region of storage with
associated semantics." OK, what exactly is meant by "associated
semantics"?
Associated semantics define behaviour (probably a bad word) in some
context.
I'd accept something like how it is influenced by or influences the
outcome of programmatic operations. Maybe. Now, could I take an
example such as int, and provide an itemized list of related
semantics? Not without a lot more thinking than I've already done. I
suspect scope, name resolution, declaration, initialization,
definition (yes I know), conversion, duration, possible operations,
referencing, etc. Would all be part of the semantics of an object of
type int. But to provide a comprehensive, orthogonal and clearly
specifying list of semantics would be quite a challenge.
For example, an object in the context of C++ *can be* for example "A
region of storage with a set of methods defined". Of course this much
more specific than what you've quoted.
What, if any, associated semantics are shared by all objects? That
part seems to go beyond the FAQ.
I don't mean to sound harsh, but this question reminds me of "Why the
earth is spherical".
I actually was faced with the interesting situation of meeting a
reasonably intelligent person who did *not* understand the concept
that the earth is spherical. He was from Eritrea, and had very little
formal education. I explained it to him in terms of Newtonian
gravitation (without explicit reference to the inverse-square force
law.) But the Earth isn't exactly spherical, and that takes a bit of
explaining, as well. Nonetheless, I can begin with simple concepts of
classical physics and come up with a very good approximation to what
the shape of the Earth should be, and find that it matches the
observed reality. IOW, the question about the Earth is not quite as
simple as it seems at first, but it is answerable on the basis of
reasonably sound first principles.
Part of what I'm trying to get at is how much of the definition of the
concept of object is defined explicitly by the Standard, and how much
is defined by consequence of definitions which associate semantics
with specific categories of objects as 'side effects'? What /are/ the
first principles?
Because we see the world as somewhat "object oriented" ?
Sorry, perhaps because I look at C++ from a rather practical standpoint,
I can't imagine myself going into so much formal analysis and intricate
details, which actually bring no significant conclusions. I tend to take
it as it is.
I admire your quest for knowledge, and I'm jealous for the amounts of
spare time. :) This thread has been closed and replies have been disabled. Please start a new discussion. Similar topics | |
by: Steven T. Hatton |
last post by:
This may seem like such a simple question, I should be embarrassed to ask
it. The FAQ says an object is "A region of storage with associated
semantics." OK, what exactly is meant by "associated semantics"? What, if
any, associated semantics are shared by all objects? That part seems to go
beyond the FAQ.
Does anybody know of a resource that discusses (focuses on) this topic?
--
p->m == (*p).m == p.m
|
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why do we not have a beatiful syntax for object definition as we have
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1. by using the metaclass constructor
my_class = MyMetaClass(....)
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