add_facet got added to address a short-coming of the older dinkumware library. It would not really be needed except for this. As to why I did it they way I did - I don't remember. I would guess that I didn't want any more copying than necessary and this implementation worked fine for me. If you want to make version similar to that which you propose and put it an agreed upon public place, I can eventually included your more generally usual formulation Robert Ramey Jonathan Turkanis wrote:
Hi Robert,
I'd like to use add_facet from serialization in the iostreams library, but I don't understand why the generated locale is dynamically allocated. It would seem be more reusable to declare it as follows:
template<typename Facet> inline std::locale add_facet(const std::locale& loc, Facet* facet);
If you need a dynamically allocated locale, you could write
new std::locale(add_facet(loc, facet))
Jonathan
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