> C and Ada variations have done so for many years, way before Rust was a thing. Not giving any concrete examples is just proving my point. Which C variations

> C and Ada variations have done so for many years, way before Rust was a thing. Not giving any concrete examples is just proving my point. Which C variations are both thread and memory safe? Which Ada variations are both thread and memory safe ? AFAIK, such variations do not exists, and people claiming that they do on the internet and then failing to provide a simple link when requested multiple times by others to do so just seems to confirm that.