data-lens VS union

Compare data-lens vs union and see what are their differences.

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data-lens union
2 0
30 31
- -
6.2 0.0
about 2 months ago over 1 year ago
Common Lisp Haskell
Apache License 2.0 BSD 3-clause "New" or "Revised" License
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.


Posts with mentions or reviews of data-lens. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2023-03-04.


Posts with mentions or reviews of union. We have used some of these posts to build our list of alternatives and similar projects.

We haven't tracked posts mentioning union yet.
Tracking mentions began in Dec 2020.

What are some alternatives?

When comparing data-lens and union you can also consider the following projects:

data-lens - Haskell 98 Lenses

fclabels - First class composable record labels for Haskell.

cassava-conduit - Conduit interface for cassava [Haskell]

proto-lens - API for protocol buffers using modern Haskell language and library patterns.

lux - The Lux Programming Language

irc - Haskell irc library

bimap - Bidirectional mapping between two key types

histogram-fill - Filling and manupulation with histograms


type-iso - Expresses isomorphic and injective relations between types.


unamb-custom - Functional concurrency with unambiguous choice, using a custom scheduler.