Earlier quoted context omitted.
Are you sure about that? https://github.com/simias/gb-rs/blob/master/Cargo.toml#L29
The SDL2 dependency? I don't understand what you mean by that. Or are you saying that a dependency that I use happens to use unsafe code? In which case it's true but then by that definition it's effectively almost impossible to write 100% safe rust since the stdlib itself contains a non-negligible amount of unsafe code.
It’s always impossible, as you have to call into the OS at some point to do anything of use.