On Thu, Jan 13, 2011 at 14:59, Ian Lance Taylor <iant@xxxxxxxxxx> wrote: > Tom Browder <tom.browder@xxxxxxxxx> writes: > >> It would be nice if this would construct an empty string: >> >> #include <string> >> std::string s(0); >> > As to whether libstdc++ should check for NULL, that is a perennial > question: should we slow down the library a tiny bit for everybody in > order to do better handling of an undefined case for those who find it > more convenient? There is no clearly correct answer. How about a compiler option then, something like "--allow-c++-null-string-constructor"... Regards, -Tom
