There were many. IMO they weren't successful because you actually need good 'marketing' to make a strict and safe language popular. For most people it will fee

There were many. IMO they weren't successful because you actually need good 'marketing' to make a strict and safe language popular. For most people it will feel like having to fight the compiler to accept your code. The Rust community does a really good job informing developers that it is definitely worth the trouble.