Top Answers

1. What is the null pointer optimization in Rust?
   18 votes
2. Why does the compiler warn about an uninitialized variable even though I've assigned each field of that variable?
   9 votes
3. Is there an owned version of String::chars?
   7 votes
4. Can I implement a trait which adds information to an external type in Rust?
   3 votes
5. How to define lifetimes properly in closure
   1 votes