Remove unused type_is_pod function
Implement `has_dtor` method in TypeContents
Keep track of Enum's with destructors
Forbid moves out of static items Closes #10577
Replaced @List with ~List in Rust's recursive example
Renamed variables
Implement Eq for Cell<T>
Modified list::from_vec() to return List<T>
Implemented Items<'a, T> for List<T>
Replaced list::each with iter() in Arenas's Drop impl
Replaced list::each with iter() in get_region
Removed list::foldl() in favor of iter().fold()
Removed list::find() in favor of iter().find()
Removed list::any() in favor of iter().any()
Implemented list::len() based on Container trait
Implemented list::is_empty() based on Container trait
Removed deprecated list::{iter,each}() functions
Replaced list::has() with list::contains()
Refactored list::head() to be based on List<T>
Refactored list::tail() to be based on List<T>