Simple Made Easy

Rich Hickey·2011·Strange Loop·1 hr 1 min

Rich Hickey emphasizes simplicity's virtues, and argues that we conflate easy with simple — at a real cost.

philosophylanguagesfunctional

Transducers

Rich Hickey·2014·Strange Loop

Hickey 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.

languagesfunctional

1 hr 13 min

Effective Programs — 10 Years of Clojure

Rich Hickey·2017·Clojure Conj

Rich 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.

languagesfunctionalphilosophy

1 hr 10 min

Are We There Yet?

Rich Hickey·2009·JVM Languages Summit

Hickey's foundational case against pervasive state and mutability, and a glimpse at the ideas that would later become Clojure's identity model.

languagesfunctionalphilosophy

58 min

Maybe Not

Rich Hickey·2018·Clojure Conj

Hickey 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.'

languagesfunctionaldesign