[Haskell-cafe] ANNOUNCE: plugins 1.5.1. a framework for dynamic extension of Haskell programs

[Don Stewart]

No, xmonad uses a different dynamic extension model based on the OS
process. To dynamically upgrade an xmonad process, you,

 * modify the source (i.e. the config file)
 * hit mod-q, which triggers:

     + linking of the config file into the application library, creating
       a new xmonad binary on disk.

     + the application state is serialized to a string representation

     + the new xmonad is then (double) forked with the old state as
       input

  * the new version of the app is running with the state of the old app.

You can do similar things at a finer grain of control via plugins.

dstcruz:
> Most awesome!
> 
> Does xmonad make use of this library?
> 
> Daniel

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