haskell/fgl

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A Functional Graph Library for Haskell

Stars: 200
Forks: 58
Open beginner issues: 0
Indexed issues: 15

Dominant language: Haskell
License: No license data
Last GitHub push: May 19, 2026
Latest indexed: Sep 14, 2026
Contributing guide: No contributing guide
Code of conduct: No code of conduct
Beginner labels: help wanted
PR merge metrics: No merged PRs in 30d

Open All

15 open issues indexed

It would be useful to have complexity information in the documentation for functions Open

enhancement help wanted

haskell/fgl#30 · 5 comments · 2 reactions · 0 assignees · Indexed Sep 14, 2026
Expand classes to avoid needing some rules Open

enhancement

haskell/fgl#38 · 10 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
Make the internal queue monadic Open

haskell/fgl#41 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Use PrimMonad Open

haskell/fgl#42 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Remove the Show instances for monadic graphs Open

haskell/fgl#43 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Add freeze and thaw for monadic graphs Open

haskell/fgl#44 · 1 comment · 1 reaction · 0 assignees · Indexed Sep 14, 2026
Replace noNodes with numNodes? Open

haskell/fgl#58 · 3 comments · 1 reaction · 0 assignees · Indexed Sep 14, 2026
Shortest path algorithms assume that vertex only have one edge between them Open

haskell/fgl#67 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Custom graph invariants Open

haskell/fgl#70 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
persistent-vector based implementation Open

haskell/fgl#71 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Data.Graph.Inductive.Basic.undir appears to handle self-edges wrongly Open

haskell/fgl#85 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
gsel ignores edges to nodes Open

haskell/fgl#89 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
`gfiltermap` can result in inconsistent graph. Open

haskell/fgl#93 · 1 comment · 1 reaction · 0 assignees · Indexed Sep 14, 2026
Is the PatriciaTree matchGr too strict? Open

haskell/fgl#96 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Documentation updates for predicate functions that rely on match Open

haskell/fgl#97 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026

haskell/fgl

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