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LoginGeneral Tech Bugs & Fixes 2 years ago
Posted on 16 Aug 2022, this text provides information on Bugs & Fixes related to General Tech. Please note that while accuracy is prioritized, the data presented might not be entirely correct or up-to-date. This information is offered for general knowledge and informational purposes only, and should not be considered as a substitute for professional advice.
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manpreet
Best Answer
2 years ago
I have a problem with the following task. I have two classes
Config
(base) andIsing
(derived) each of which has astd::array
of 12bool
. I created a functionIncr()
which does the following-if the i-th elem of the array is false
Incr()
sets it as true and exit;-if the i-th elem of the array is true sets it as false and then moves to the i+1-th elem.
Incr()
must work if I call it twice (as infoo.Incr().Incr()
) so I thought it should return a reference to aConfig
I am now required (it is an exercise )to create an
std::vector
of 4096Ising
object all created via application ofIncr()
to the precedingIsing
object. Fact is that this function returns aConfig
...I can set it to return a
Ising
but this seems a very poor design choice to have a base class method which returns an object of its derived class.I was wondering whether there is a more elegant way to do this
This is what I am working with:
Thanks to everyone who will help