ANN: Edison 1.2RC4

Gregory Wright gwright at
Thu Jun 1 21:46:45 EDT 2006

Hi Robert,

Edison 1.2rc4 builds on OS X 10.4.6/powerpc with ghc 6.4.2
and passes the test suite with no errors.

I have packaged it for the darwinports system, where it can be
obtained as hs-Edison and hs-EdisonAPI.  (It's packaged as
two separate ports so that EdisonAPI is automatically built as
a dependent of Edison.  Users need only install the hs-Edison port.)
You might want to consider distributing Edison's API and core
separately in the future, to make life a bit easier for package
management system like darwinports and FreeBSD ports.

I will update the port to the final release when it comes out.

Best Wishes,

On May 14, 2006, at 5:36 PM, Robert Dockins wrote:

> Fellow Haskellers!
> I am pleased to announce the 4th (and with any luck, final) release  
> candidate
> for Edison 1.2.  Edison is a library of efficient data structures for
> Haskell.
> Changes from RC3 include:
>   * introduce strict/strictWith operations for all APIs
>   * add Ord* instances for PatriciaLoMap and TernaryTrie
>   * add David F. Place's EnumSet implementation
>   * complete the FiniteMap unit test coverage and fix a bunch
>     of bugs in finite map implementations
>   * add 'symmetricDifference' to Collection and
>     Associated Collection APIs
>   * add Ord instances for data structures
>   * add Monoid instances for data structures
>   * Edison now requires Cabal 1.1.4 to build
> The project homepage is located at:
> API docs are located at:
> And the darcs repository is located at:
> As before, comments are welcome, particularly comments relating to  
> the API.
> However, barring major disasters I may have overlooked, I hope to  
> release RC4
> as 1.2, essentially unchanged.
> Thanks,
> Rob Dockins
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