Re: extern(C++, NS)

[Timon Gehr via Digitalmars-d]

On 11/29/2015 12:13 PM, Ola Fosheim Grøstad wrote:

On a related note, does D support inline namespaces? Apparently it
affects mangling:

http://stackoverflow.com/questions/29764869/can-inline-namespaces-be-used-to-keep-backwards-compatibility-in-a-shared-librar

Namespaces affect mangling. The inline keyword doesn't.

I use inline namespaces quite a bit and am curious of how D resolves those.

string inlineNamespace(alias ns)(){
    string s;
    foreach(m;__traits(allMembers,ns))
        s~=`alias `~m~`=`~__traits(identifier,ns)~`.`~m~`;`;
    return s;
}

extern(C++,std){
    extern(C++,version1){
        void bar(){}
    }
    mixin(inlineNamespace!version1);
    extern(C++,version2){
        void bar(){}
    }
}