C++ is my main language these days (and my guess at the answer happened to be correct), but I think this interview question misses the point. The key to using

C++ is my main language these days (and my guess at the answer happened to be correct), but I think this interview question misses the point. The key to using C++ successfully, like it or not, is not to understand what happens in every possible circumstance (this is pretty much impossible). The key is to carve out a subset of the language (and some usage patterns) that you know how to use and stick with it. I wouldn't use delete this without consulting the documentation first, even if I suspect it's legal (hell, I use "idiomatic" delete maybe once in 5000 LOC)