The reactive-banana package

[Tags:bsd3, library, test]

Reactive-banana is a library for Functional Reactive Programming (FRP).

FRP offers an elegant and concise way to express interactive programs such as graphical user interfaces, animations, computer music or robot controllers. It promises to avoid the spaghetti code that is all too common in traditional approaches to GUI programming.

See the project homepage for more detailed documentation and examples.

Stability forecast:

No semantic bugs expected.

Significant API changes are likely in future versions, though the main interface is beginning to stabilize.

The library features an efficient, push-driven implementation and has seen some optimization work. However, the inner loop still has a rather large constant factor overhead. Moreover, there is currently no garbage collection for events that are created dynamically with Reactive.Banana.Switch.


Versions,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,, (info)
Change log
Dependencies base (>=4.2 && <5), containers (>=0.3 && <0.6), hashable (>=1.1 && <1.3), pqueue (>=1.0 && <1.3), transformers (>=0.2 && <0.5), unordered-containers (>= && <0.3), vault (==0.3.*) [details]
License BSD3
Author Heinrich Apfelmus
Maintainer Heinrich Apfelmus <apfelmus quantentunnel de>
Category FRP
Home page
Source repository head: git clone git://
Uploaded Sat May 17 10:19:18 UTC 2014 by HeinrichApfelmus
Distributions Debian:, NixOS:, Stackage:
Downloads 9675 total (93 in the last 30 days)
7 []
Status Docs available [build log]
Successful builds reported [all 1 reports]
Hackage Matrix CI




useextensionsUse GHC-specific language extensions. This enables the efficient push-driven implementation, but doesn't necessarily work with compilers other than GHC.EnabledAutomatic

Use -f <flag> to enable a flag, or -f -<flag> to disable that flag. More info


Maintainer's Corner

For package maintainers and hackage trustees