effectzoo
linear
effectzoo  linear  

2  8  
64  198  
    
0.0  6.1  
over 3 years ago  2 months ago  
Haskell  Haskell  
BSD 3clause "New" or "Revised" License  BSD 3clause "New" or "Revised" License 
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effectzoo

Effect Zoo for Scala 3
Inspired by similarly named project for Haskell.

Monthly Hask Anything (June 2021)
Did you mean: https://github.com/ocharles/effectzoo?
linear

GHC.Num: Why no multiplication commutativity?
Linear.Quaternion.Quaterion from the linear package has a Num instance, and quaternion multiplication is noncommutative.

Is there an existing typeclass for differences?
That's pretty much exactly the abstraction used in the 'linear' package's Affine class, in which we find points separated by vectors.

What are the current challenges in Numerical Programming for Haskell?
Linear algebra: hmatrix again with its own array type (and linear but this is restricted to low dimensions)

Advanced programming exercises/apps recommendations to code
This is very niche, but something I've wanted to do for a while is to generate some cool physics example on the surface of a sphere with https://hackage.haskell.org/package/hamilton, and display it with https://reanimate.github.io/ (using https://hackage.haskell.org/package/linear for the projection)

How to create my Functor / Eq / Num combination on Coords?
Do check out the linear package. It has some complicated parts, but the types work out very nicely. Your Coords type is called V3 in that package, it has a huge list of instances for all kinds of different type classes.
 Advent of Code 2021 day 06

Probabilistic modelling in Idris: engineering as research
I've come to love the linear approach, where instead of working with Naperian (Representable) functors, you work with Distributive functors.

Monthly Hask Anything (June 2021)
See also the linear library, it contains types like data V3 a = V3 a a a with all of the useful instances.
What are some alternatives?
pcre2  Complete Haskell binding to PCRE2
nimber  Finite nimber arithmetic
ghc  Mirror of the Glasgow Haskell Compiler. Please submit issues and patches to GHC's Gitlab instance (https://gitlab.haskell.org/ghc/ghc). First time contributors are encouraged to get started with the newcomers info (https://gitlab.haskell.org/ghc/ghc/wikis/contributing).
nuha
frpzoo  Comparing many FRP implementations by reimplementing the same toy app in each.
movingaverages
inotherwords  A higherorder effect system where the sky's the limit
reservoir  Reservoir Sampling Algorithms in Haskell
cleff  Fast and concise extensible effects
linearaccelerate  Instances to mix linear with accelerate
polysemy  :gemini: higherorder, noboilerplate monads
magma  magma algebraic library