gcc doesn't like foreach with const-ref containers

[Andreas Pakulat]

On 05.09.07 21:24:31, Thiago Macieira wrote:
> Christian Ehrlicher wrote:
> >I wonder why this works on linux. A quick solution would be to remove
> >the reference. It's implicit shared so it doesn't matter if you pass a
> >reference or a copy here. And if this breaks BC, just use an internal
> > copy:
> >
> >void foo(const QList<MyClass>& l_)
> >{
> >   const QList<MyClass> l(l_);
> >   foreach(const MyClass& c, l)
> >     ...
> >}
> 
> Yes, it's a GCC bug. It doesn't like const-refs as the second argument to 
> foreach.

Recently saw that there's a gcc 4.x prerelease available from mingw
project, hopefully that will fix some things...

> Don't change the function signature, but create a local (cheap) copy of 
> it.

I won't do either of these. I'm using a plain old for() with
const_iterator, simply because that doesn't need an additional comment
why a local copy is created. 

Andreas

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