From:	ao950 AT FreeNet DOT Carleton DOT CA (Paul Derbyshire)
Newsgroups:	comp.os.msdos.djgpp
Subject:	Re: Problem with fstreams...
Date:	5 Sep 1997 04:33:53 GMT
Organization:	The National Capital FreeNet
Lines:	38
Message-ID:	<5uo23h$i0o@freenet-news.carleton.ca>
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Reply-To:	ao950 AT FreeNet DOT Carleton DOT CA (Paul Derbyshire)
NNTP-Posting-Host:	freenet2.carleton.ca
To:	djgpp AT delorie DOT com
DJ-Gateway:	from newsgroup comp.os.msdos.djgpp

Erik Max Francis (max AT alcyone DOT com) writes:
> Paul Derbyshire wrote:
> 
>> How do the enum elements BINARY and so forth become members of ios, as
>> in
>> ios::, and not of some enum? Normally the :: thing only applies to
>> member
>> functions and instance variables, not to enums. Is the enum actually
>> inside the class? Can a class contain structs and subclasses actually
>> inside itself so they are only defined in the scope of the class, for
>> naming purposes?
> 
> Yes.  In C++ if you have full scoping, so lexical elements can be
> defined inside classes:
> 
>     class C
>     {
>       public:
>         struct S { int i; };
> 
>         enum E { e1, e2 };
>     };
> 
> Inside the scope of the class, you can refer to these things as S and E,
> but outside you must refer to them as C::S and C::E (and the enum names
> as E::e1 and E::e2).

And this is what ios::binary is?

class ios {
  enum suchlike {binary,output,...}

--
    .*.  Where feelings are concerned, answers are rarely simple [GeneDeWeese]
 -()  <  When I go to the theater, I always go straight to the "bag and mix"
    `*'  bulk candy section...because variety is the spice of life... [me]
Paul Derbyshire ao950 AT freenet DOT carleton DOT ca, http://chat.carleton.ca/~pderbysh

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