Failed Experiments

a Mr. Fleming wishes to study bugs in smelly cheese; a Polish woman wishes to sift through tons of Central African ore to find minute quantities of a substance she says will glow in the dark; a Mr. Kepler wants to hear the songs the planets sing.

Thursday, June 11, 2020

Reading Scalaz API Functions (Principles 5, Scalaz Files)

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The Scalaz API has a large number of functions, most of which have several things in common: They have type parameters. Their implementa...

Saturday, May 16, 2020

Global typeclass coherence (Principles 3, Scalaz Files)

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In Scalaz, we provide at most one typeclass instance per type throughout your whole program, and we expect users to preserve that invariant....

Tuesday, July 16, 2019

Scalazzi safe Scala subset (Principles 2, Scalaz Files)

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Scalaz is designed for programmers building type-safe , functional programs. If you program like this, you can start to see very deep prope...

Tuesday, July 9, 2019

A standard library for principled functional programming in Scala (Principles 1, Scalaz Files)

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The best way to think about “what is Scalaz?” is as a standard library for functional programming . This goes all the way back to its creati...

Saturday, February 17, 2018

Scala FP: how good an idea now?

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Ed Kmett’s reddit comment full of biting commentary on the troubles of attempting functional programming in Scala remains the most concise ...

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Stephen Compall

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