I don't know. I see people increasingly make use of it. The problem was that in the past compilers ignored this completely, so there was simply no point. Nowad

I don't know. I see people increasingly make use of it. The problem was that in the past compilers ignored this completely, so there was simply no point. Nowadays GCC uses it for warning (the length for bounds and "static" for nonnull), so it starts to become useful.