topograph: Directed acyclic graphs.

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Directed acyclic graphs can be sorted topographically. Existence of topographic ordering allows writing many graph algorithms efficiently. And many graphs, e.g. most dependency graphs are acyclic!

There are some algorithms built-in: dfs, transpose, transitive closure, transitive reduction... Some algorithms even become not-so-hard to implement, like a longest path!


Versions 1,,,
Change log None available
Dependencies base (>=4.6 && <4.15), base-compat (>=0.10.5 && <0.11 || >=0.11.0 && <0.12), base-orphans (>=0.8 && <0.9), containers (>= && <0.6 || >= && <0.7), vector (>=0.12 && <0.13) [details]
License BSD-3-Clause
Copyright (c) 2018-2019 Oleg Grenrus
Author Oleg Grenrus <>
Maintainer Oleg.Grenrus <>
Category Data, Graph
Home page
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Source repo head: git clone
Uploaded by phadej at 2020-03-27T07:00:35Z


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