Re: [boost] gcc standard library experts out there?

From: Sebastian Redl (sebastian.redl_at_[hidden])
Date: 2006-02-19 18:44:16

Robert Ramey wrote:

>http://tinyurl.com/s4ohn Shows the error message which is provoked by the 
>following test code:
>
>// test array of objects
>BOOST_STD_EXTENSION_NAMESPACE::hash_set<A> ahash_set;
>...
>std::vector<A> tvec, tvec1;
>std::copy(ahash_set.begin(), ahash_set.end(), std::back_inserter(tvec)); // 
>error starts here
>std::sort(tvec.begin(), tvec.end());
>
>a) I can't see anything wrong with this.
>b) No other compilers complain
>c) I can't follow the error message
>
>So if anyone has some insight here, I'd be glad to hear it.
>  
>
Are you absolutely sure that's the line? The compiler is claiming that 
it can't call the hashing function with an argument of type A (probably 
means there's no appropriate overload). The puzzling thing is that it 
wants to call the hasher because it's resizing the hashtable, and it's 
doing that in response to a call to hash_set::insert - allegedly 
directly from your code.

I can't track the error beyond this. The standard library in my GCC 
3.4.4 is quite different.

Sebastian Redl