[Haskell] [ANN] Shellac 0.6, new Vty Shellac backend, Lamba Shell 0.5

Robert Dockins robdockins at fastmail.fm
Thu Jan 4 05:24:40 EST 2007

Fellow Haskellers,

I am pleased to simultaneously announce the immediate release of the following 
related packages:

Shellac, 0.6
Shellac-readline, 0.3
Shellac-vty, 0.1

Shellac is a framework for building read-eval-print style shells which uses 
configurable backend plugins.

The major new feature of this release is the new Shellac-vty backend package, 
which uses the new Vty library (http://members.cox.net/stefanor/vty/) to do 
terminal I/O directly.  It currently has basic line editing keybindings, 
paging, and a command history.  The main package and Shellac-readline updates 
consist of minor API updates.

The project page for these packages may be found at:

Additionally, the Lambda Shell 0.5 release is now available.  The Lambda Shell 
is a shell environment for defining, evaluating and manipulating expressions 
of the pure, untyped lambda calculus.  It is also a showcase for Shellac and 
a model for its use.  This update contains little new functionality, but is 
mostly a maintaince update.

The Lambda Shell project page may be found at:

If you wish to play with the new Vty Shellac backend, you may 'darcs apply' 
the following patch to the lambda shell darcs sources before building.  It 
will cause the lambda shell to use the Vty backend rather than the readline 

Thanks all and happy hacking,
Rob Dockins

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