Popularity
4.3
Declining
Activity
0.0
Stable
6
3
2
Monthly Downloads: 4
Programming language: Haskell
License: BSD 3-clause "New" or "Revised" License
Tags:
Data Structures
flux-monoid alternatives and similar packages
Based on the "Data Structures" category.
Alternatively, view flux-monoid alternatives based on common mentions on social networks and blogs.
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parameterized-utils
A set of utilities for using indexed types including containers, equality, and comparison. -
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justified-containers
Standard containers, with keys that carry type-level proofs of their own presence. -
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README
flux-monoid
Flux is a monoid which counts the number of times an element changes
(according to its Eq instance) This is useful for gaining associativity (and
its associated performance improvements) for tasks where you'd otherwise use
group or groupBy
It also allows usage of change-detection semantics in situations where a Monoid is required; e.g. in a FingerTree
> getFlux $ foldMap flux ["a", "b", "b", "a"]
2
> getFlux $ foldMap flux ["a", "b", "b", "a", "c", "c", "c"]
3