Are We There Yet?
Rich Hickey·2009·JVM Languages Summit·1 hr 10 minHickey's foundational case against pervasive state and mutability, and a glimpse at the ideas that would later become Clojure's identity model.
Effective Programs — 10 Years of Clojure
Rich Hickey·2017·Clojure ConjRich Hickey on what a decade of Clojure has taught him about the kinds of problems most production code is actually trying to solve — and why static type systems aren't the answer he keeps hearing about.
Simple Made Easy
Rich Hickey·2011·Strange LoopRich Hickey emphasizes simplicity's virtues, and argues that we conflate easy with simple — at a real cost.
Maybe Not
Rich Hickey·2018·Clojure ConjHickey takes aim at Maybe/Optional and the conflation of optionality with absence — arguing that wrapping types is the wrong place to encode 'I might not give this to you.'
Spec-ulation
Rich Hickey·2016·Clojure ConjHickey on versioning, breaking changes, and the quiet violence we do to downstream users when we 'fix' our APIs in place.
Transducers
Rich Hickey·2014·Strange LoopHickey extracts the essence of map and filter from the collections they were trapped in — and shows what falls out when transformations become first-class, context-free things.
The Value of Values
Rich Hickey·2012·JaxConfWhy immutable values are the right substrate for systems that interact, communicate, and last.