> inadvertent copy constructor/assignment operator calls This is much less of a problem (and much more controllable!) now that we have move semantics. > autom

> inadvertent copy constructor/assignment operator calls This is much less of a problem (and much more controllable!) now that we have move semantics. > automatic memory allocs It's hard to accidentally allocate memory if you don't have a system allocator hooked up. > heavy-weight operator overloads No more heavy-weight than a standard function call, and usually inlined at that.