Paul Chiusano

Functional programming, UX, tech, econ

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Consulting services

I offer Scala and FP consulting services. If you're interested in working together, please contact me.


About my book

My book, Functional Programming in Scala, uses Scala as a vehicle for teaching FP. Read what people are saying about it.


Popular links

Unison: a next-gen programming platform
unison.cloud: the worldwide elastic computer (coming soon)
Type systems and UX: an example
CSS is unnecessary

Why type systems matter for UX: an example

I’ve written previously about the general problems with the application-centric view of software. Here I’m going to discuss a specific example. First, some background, from my earlier post:

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The future of software, the end of apps, and why UX designers should care about type theory

The programmer, like the poet, works only slightly removed from pure thought-stuff. He builds his castles in the air, from air, creating by exertion of the imagination. Few media of creation are so flexible, so easy to polish and rework, so readily capable of realizing grand conceptual structures… Yet the program construct, unlike the poet’s words, is real in the sense that it moves and works, producing visible outputs separate from the construct itself. […] The magic of myth and legend has come true in our time. One types the correct incantation on a keyboard, and a display screen comes to life, showing things that never were nor could be.

Fred Brooks

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