Visibility of variables in struct nested within a class

[H. S. Teoh]

On Fri, Jul 05, 2013 at 11:19:53AM -0700, Charles Hixson wrote:
> I have a class that defines a variable (root).  Within it I have
> nested a struct.  If I refer to that variable within the struct I
> get the message:
> cbt2.d(760): Error: this for root needs to be type BTree not type Path
> 
> If I change the struct to a class, the error goes away, but I'd
> prefer to use a struct.
> 
> My computer is a 64bit Linux system with
> DMD64 D Compiler v2.063
> 
> The particular statement referenced is:
>             if    (root is null)
> though there are many others.
> 
> Is this the way things are supposed to happen?  (Changing the struct
> to a class is an OK patch, but I don't understand why it should
> either work or be necessary.)
[...]

Could you post some sample code that shows the problem? It's a bit hard
to tell what's happening without seeing the actual code.


T

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