## Summary Implement `Iterator` trait. ## Background There are many classes, enums, and types that implements `Iterator` trait. So we need to port `Iterator` trait first to port many other things from Rust.
Summary
Implement
Iteratortrait.Background
There are many classes, enums, and types that implements
Iteratortrait.So we need to port
Iteratortrait first to port many other things from Rust.