6dcbbaeb23
On Windows, unlike on Mac or Linux, boost::ptr_map<> started insisting on this concept of clonability. In other words, it wants to own a unique instance of the pointee; if you copy a value_type -- even to dereference an iterator! -- it wants to construct a whole new instance of the mapped_type. That's nuts. A std::map<..., boost::shared_ptr<>> has the property I want (the mapped_type goes away when the entry is erased), plus it's willing to pass around the shared_ptr to the same instance of the mapped_type. This change also permits simplifying a couple awkward kludges I'd already had to make to accommodate ptr_map's idiosyncracies. |
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