distributive vs fgl

distributive

Dual Traversable (by ekmett)

Data structures

Source Code

hackage.haskell.org

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fgl

A Functional Graph Library for Haskell (by haskell)

Data structures

Source Code

hackage.haskell.org

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distributive		fgl
	Project
6	Mentions	5
41	Stars	183
-	Growth	1.1%
2.7	Activity	6.6
12 months ago	Latest Commit	10 days ago
Haskell	Language	Haskell
GNU General Public License v3.0 or later	License	GNU General Public License v3.0 or later

The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.

distributive

Posts with mentions or reviews of distributive. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2022-07-17.

stack
7 projects | /r/haskell | 17 Jul 2022
Is there an idiomatic way to have a record but with enum values as keys?
2 projects | /r/haskell | 15 Jun 2022

Moving discussion to a github issue.
Issue 302 :: Haskell Weekly newsletter
1 project | /r/haskell | 10 Feb 2022

In main branch of distributive, Distributive is gone. There is only Representable. See current state https://github.com/ekmett/distributive/blob/117377d7ba38efc5b115169b565dfb80de8ad407/src/Data/Rep/Internal.hs
Monthly Hask Anything (November 2021)
4 projects | /r/haskell | 2 Nov 2021

Seems like a neat signature. Is it an instance of some deeper concept or property? Is there a general typeclass for it? It looks a little bit like distribute from distributive.
Chris Penner - Intro to Higher Kinded Data Types
1 project | /r/haskell | 22 Mar 2021

The upcoming version of distributive includes a lot of hkd toys. It might be up your alley.

fgl

Posts with mentions or reviews of fgl. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2022-10-03.

N-ary Tree data structure with efficient parent access?
1 project | /r/haskellquestions | 18 Dec 2022

Your names are good, I reckon it is Martin Erwig's fgl stuff and Andrey Mokhov's algebraic-graphs that you have in mind.
Library for Tree-like data structure
2 projects | /r/haskell | 3 Oct 2022

I am about to start a new project in Haskell, model checking with (new) tree-like data structures. I think it is best to start building on a library such that i can already have elegant base functions, yet i am wondering what library is currently the standard? I read about fgl ( https://hackage.haskell.org/package/fgl ), yet it is a very old library.
Want to start a new project and I'm wondering if Haskell is the right tool for it
1 project | /r/haskell | 27 Jul 2022

Couple of approaches to graphs that are state-free: functional graphs and algebraic graphs
-🎄- 2021 Day 12 Solutions -🎄-
145 projects | /r/adventofcode | 11 Dec 2021

Using fgl but only as a data structure this time, with edge labels denoting whether the target is a big room. Not using any of its algorithms as it doesn't have anything built-in for "traversal with re-visiting".
-🎄- 2021 Day 9 Solutions -🎄-
185 projects | /r/adventofcode | 8 Dec 2021

For part 2, instead of trying to union-merge from the lowest points, I simply found all connected regions of <9. I say "simply" because I just threw things at fgl, but setting the graph up first took a bit of work. buildGr is fast but picky about the exact order things come in with.