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The post was regarding: a "thing" within a thing, and operating on that thing.
I add functionality to some of my existing components by adding "another" component which influences the behaviour of the original component until a certain condition is satisfied.
e.g. My "units" have standard movements. In the case of a "wheel", a "wheeling" object is added; which adds a pivot point and "sweep" to its movements, affecting a wheel movement until a given angle is passed. Then it removes the component and reverts back to its standard behaviour. (It's not "inheritance")
"Before entering on an understanding, I have meditated for a long time, and have foreseen what might happen. It is not genius which reveals to me suddenly, secretly, what I have to say or to do in a circumstance unexpected by other people; it is reflection, it is meditation." - Napoleon I
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I'm not sure that hits the mark.
The thing is, extending strikes me as something you do to a class by subclassing it.
Check out my IoT graphics library here:
https://honeythecodewitch.com/gfx
And my IoT UI/User Experience library here:
https://honeythecodewitch.com/uix
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I use "component based" architecture. I have objects to which I can add a "time / duration" or "distance" or "angle" object (among others) at run time; which then dictates what the object does until the condition created by the new component is satisfied; at which time, this "extender" is removed.
[later]
Quote: In computing, a plug-in (or plugin, add-in, addin, add-on, or addon) is a software component that adds a specific feature to an existing computer program. When a program supports plug-ins, it enables customization.
"Before entering on an understanding, I have meditated for a long time, and have foreseen what might happen. It is not genius which reveals to me suddenly, secretly, what I have to say or to do in a circumstance unexpected by other people; it is reflection, it is meditation." - Napoleon I
modified 27-Sep-23 11:15am.
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That's binary binding.
C++ also allows a kind of source level binding (actually all languages do, but not like this - I'm not sure how to explain the difference exactly except to compare and contrast it to the sort of binding you're talking about)
Check out my IoT graphics library here:
https://honeythecodewitch.com/gfx
And my IoT UI/User Experience library here:
https://honeythecodewitch.com/uix
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Interesting idea, don't know as I've ever seen anything on this subject before.
Maybe?
C++ Binding Mechanisms
I don't think before I open my mouth, I like to be as surprised a everyone else.
PartsBin an Electronics Part Organizer - Release Version 1.1.0 JaxCoder.com
Latest Article: SimpleWizardUpdate
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That sounds decent
Check out my IoT graphics library here:
https://honeythecodewitch.com/gfx
And my IoT UI/User Experience library here:
https://honeythecodewitch.com/uix
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"C++ Magick only very few need to understand" what about this as title? 
forging iron and new ideas
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honey the codewitch wrote: passing a class as a template argument to a template class, and then operating on the first class's methods from inside the second class.
Not sure how a compiler might do that now but certainly in the past it did it by creating a new class. Basically a hidden class as part of the binary build.
One can of course explicitly code the same. But one would need to do it for each case.
I did that (explicit) on occasion long ago with the early Templates in C++ because the error messages in the stack traces were useless.
You could even code that dynamically by just duplicating what the compiler does.
Seems like it would be more useful though to explain how a compiler does that, with assembler examples, rather than attempting it from scratch.
Or, I suspect, do not some C++ compilers still allow one to have it emit C rather than assembler? That would be easier (probably) to use as a demonstration of what is happening.
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jschell wrote: Or, I suspect, do not some C++ compilers still allow one to have it emit C rather than assembler? That would be easier (probably) to use as a demonstration of what is happening.
I'm not sure how to do that with MSVC, GCC or Clang to be honest.
Check out my IoT graphics library here:
https://honeythecodewitch.com/gfx
And my IoT UI/User Experience library here:
https://honeythecodewitch.com/uix
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Comparing C++ Inheritance To Template Metaprogramming: Compiler and Runtime Metrics
Writing the article is left as an exercise for the student.
Software Zen: delete this;
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#Worldle #613 2/6 (100%)
π©π©π©π©π¨β¬οΈ
π©π©π©π©π©π
https://worldle.teuteuf.fr
no map needed not too hard
"A little time, a little trouble, your better day"
Badfinger
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RIP David, you were one of the best. You will be missed. ![Rose | [Rose]](https://www.codeproject.com/script/Forums/Images/rose.gif)
Ok, I have had my coffee, so you can all come out now!
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Loved that show.
R.I.P.
I don't think before I open my mouth, I like to be as surprised a everyone else.
PartsBin an Electronics Part Organizer - Release Version 1.1.0 JaxCoder.com
Latest Article: SimpleWizardUpdate
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Ohhh.... Duggy (or however is written) went... ![Rose | [Rose]](https://codeproject.global.ssl.fastly.net/script/Forums/Images/rose.gif)
RIP 
M.D.V. 
If something has a solution... Why do we have to worry about?. If it has no solution... For what reason do we have to worry about?
Help me to understand what I'm saying, and I'll explain it better to you
Rating helpful answers is nice, but saying thanks can be even nicer.
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He was known as "Ducky", because his surname was Mallard, which is a breed of wild duck.
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Oh... thank you. I didn't know that, in spanisch and german was not easy to get that...
M.D.V.
If something has a solution... Why do we have to worry about?. If it has no solution... For what reason do we have to worry about?
Help me to understand what I'm saying, and I'll explain it better to you
Rating helpful answers is nice, but saying thanks can be even nicer.
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greetings kind regards may i inquire how you happen to know of "The Man From U.N.C.L.E." as i see no USA flag on your profile page . should i assume USA television is universal .
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I know him from NCIS not from UNCLE
M.D.V.
If something has a solution... Why do we have to worry about?. If it has no solution... For what reason do we have to worry about?
Help me to understand what I'm saying, and I'll explain it better to you
Rating helpful answers is nice, but saying thanks can be even nicer.
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One of my favorite moments from an early episode of NCIS: Kate asks Gibbs what Ducky looked like when he was younger. Gibbs replies "Kind of like Illya Kuryakin."
Software Zen: delete this;
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Sapphire is without her Steel.
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I wonder if that is why CBS ran the first episode of NCIS last night?
Or was it a coincedence because of the writer and actor strike?
Iβve given up trying to be calm. However, I am open to feeling slightly less agitated.
Iβm begging you for the benefit of everyone, donβt be STUPID.
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i never missed as episode even though it became campy in later seasons . i much favored Illya (cool name) to Mr. Solo .
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Channel D is now permanently closed...
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