Overview of Persistent Collections- Intro | Follow-up | News - Discussion on community relations- Immutable Persistent CollectionsList vs Vector- Linked list vs tree implementationMap vs Set- Key can be anything- KV | Unique KV- Relational operations on set are outside of coreSeq library- ISeq (first, rest, cons)- Interop with Java utterable- Functions are written to work against the Seq interface- Seq in, Seq outImmutability and Persistence- What is it?- Why is it important?- ImplementationLazy collections- What does it mean to be lazy?- What does it mean to hold on the head?Eager operations- Sometimes you need side effects so you cannot be lazy- Doall, doseqPersistent vs. Transient- PerformanceSPECTER - Nathan Marz- Ensure output format of collection operations is controlled- Editing operationsCommunity contributed collections - shout out to- Chris Houser - Data.zip- Michał Marczyk - Ctries and AVL- Mark Engelberg - Priority maps- Lean Hash Maps Peter SchuckSee the podcast web site http://defn.audio for links