What is the difference between two class ?

When you want to compiler creates that for you, some situations like when you explicitly defined a constructor with parameters, but you want to have the default constructor as well.

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30.07.2021

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Ghasem Ramezani
When you want to compiler creates that for you, so...

thanks

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30.07.2021

Ghasem Ramezani

...

thanks

I said 'when you want to compiler creates that for you', how do you expect the compiler know that how to deal with the constructor parameter?

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30.07.2021

Pavel

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thanks

= default can be applied only for those constructors that can be automatically generated (default constructor, copy constructor, move constructor) Also to destructor and assignment operators (afaik).

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30.07.2021

Ghasem Ramezani

Pavel
= default can be applied only for those constructo...

I believe that Scott Mayer explained default very well in Effective Modern C++ items, but i can't find it.

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30.07.2021

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Ghasem Ramezani
I said 'when you want to compiler creates that for...

ok what difference between this two

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30.07.2021

Ghasem Ramezani

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ok what difference between this two

Again, Nothing. In the second one you just explicitly ask the compiler to generate the default constructor for you.

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30.07.2021

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Ghasem Ramezani
Again, Nothing. In the second one you just explici...

thanks

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30.07.2021

Ghasem Ramezani

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thanks

What resource do you follow for learning C++ programming?

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30.07.2021

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Ghasem Ramezani
What resource do you follow for learning C++ progr...

google and telegram

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30.07.2021

Ghasem Ramezani

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google and telegram

Oh, why? why not just The C++ Programming Language by Bjarne Stroustrup? or if you don't know enough about programming: https://www.stroustrup.com/programming.html

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30.07.2021

Prince Of Persia [field = CE,DM = BLOCK]

Ghasem Ramezani
Oh, why? why not just The C++ Programming Language...

I do use C++ Primer and it's really good

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30.07.2021

Ghasem Ramezani

Prince Of Persia [field = CE,DM = BLOCK]
I do use C++ Primer and it's really good

I don't know about it, but the Bjarne books are really lovely 😂.

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30.07.2021