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Re: Is it standard that inner class inherits the outer class' friendship?

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On 2011-4-30 21:58, Saeed Amrollahi wrote:
>> class Graph {
>> private:
>>       class cmp {
>>       public:
>>           int operator()(const Node&l, const Node&r) {
>>               return (l.value - r.value); // without that friend, this
>> line can't compile
>>           }
>>       };
>>
>> };
>>
> 1. At first, I have to say the terms "inner class" and "outer class"
> aren't standard. It's somehow Java terms. C++ uses "nested class".
> 2. About your code, By the term "inner class", if you mean "nested
> class",
> you didn't use it. You have two classes: Node and Graph and you
> declared
> Graph as a friend of Node. May be, by inner you mean the logical
> inner,
> because each node of a graph is somehow the inner part of whole graph.


Thanks for the reply and sorry for the misunderstand.
For nested class (OK, now I will use this term, but then what's the
equivalence of "outer class"?), I mean Graph::cmp.

Sorry for any misunderstand.


-- 
WQ

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Re: Is it standard that inner class inherits the outer class' friendship? Saeed Amrollahi <amrollahi.saeed@gmail.com> - 2011-04-30 06:58 -0700
  Re: Is it standard that inner class inherits the outer class' friendship? Qi <no@no.com> - 2011-04-30 22:08 +0800
    Re: Is it standard that inner class inherits the outer class' friendship? Saeed Amrollahi <amrollahi.saeed@gmail.com> - 2011-04-30 12:37 -0700
      Re: Is it standard that inner class inherits the outer class' friendship? Qi <no@no.com> - 2011-05-01 12:57 +0800

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