[Haskell-cafe] ANNOUNCE: vacuum-cairo: a cairo frontend to vacuum for live Haskell data visualization

Peter Verswyvelen bugfact at gmail.com
Tue Mar 31 12:32:31 EDT 2009

This is AWESOME! If only I had this when I started learning Haskell :-)
On Tue, Mar 31, 2009 at 7:40 AM, Don Stewart <dons at galois.com> wrote:

> I am pleased to announce the release of vacuum-cairo, a Haskell library
> for interactive rendering and display of values on the GHC heap using
> Matt Morrow's vacuum library.
> This library takes vacuum's output, generates dot graph format from it,
> renders it to SVG with graphviz, and displays the resulting structure
> using the gtk2hs Cairo vector graphics bindings ... all at the GHCi
> command line.
> This tool is useful for examining Haskell data structures as they are
> represented directly in the heap. In particular, it makes sharing visible
> for
> the first time, as well as unboxed values. It should be useful for
> teaching Haskell, or for library authors debugging the design of their
> data structures.
> You can see pictures of the rendered display here:
>    http://code.haskell.org/~dons/images/vacuum/intmap.png
> And youtube screencasts of vacuum-cairo in action:
>    http://www.youtube.com/watch?v=oujaqo9GAmA
> Get it:
>    cabal install vacuum-cairo
> And on Hackage:
>    http://hackage.haskell.org/cgi-bin/hackage-scripts/package/vacuum-cairo
> -- Don
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