Version 0.1.0

• Initial Release

• Added a NEWS.md file to track changes to the package.

Version 0.2.0

• Removed as_Iterator()

• Changed is_Iterator() to use inherits() instead of class() ==

• Fixed bug in we_have() that wrote over an old set-created Iterator when a new one was made, even with a different name

• Removed hash_df data structure

• Removed dependency on {R6}

• Added yield_more()

• Added move_next() and move_more()

• Added current()

• Added yield_while()

Version 0.3.0

• Changed the Iterator to use an environment as a backend instead of a list, and added clone()

• Added a well-defined search path for Iterators

• Made error messages more clear for Iterator

• Added move_while()

• Added access to the current iteration number with .iter

• Completely changed the move_*() backend to use yield_*()

• Changed the we_have() backend to be fully lazy

• Removed dependency on {purrr}

• Added new features to set comprehension with Iterators