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ANNOUNCE
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ANNOUNCE
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===============================================
The Glasgow Haskell Compiler -- version 8.0.1
===============================================
The GHC Team is pleased to announce a new super-major release of GHC. This is
the most significant GHC release in quite some time, including both a number
of major features and numerous bug fixes. These include,
* The TypeInType extension, which unifies types and kinds, allowing GHC
to reason about kind equality and enabling promotion of GADTs to the type
level.
* Support for record pattern synonyms
* The -XDeriveAnyClass extension learned to derive instances for classes with
associated types
* More reliable DWARF debugging information
* Support for injective type families
* Applicative do-notation
* Support for wildcards in data and type family instances
* Strict and StrictData extensions, allowing modules to be compiled with
strict-by-default bindings
* The DuplicateRecordFields extensions, allowing multiple datatypes to declare
the same record field names provided they are used unambiguously
* Support for implicit parameters providing light-weight callstacks and source
locations
* User-defined error messages for type errors
* A rewritten (and greatly improved) pattern exhaustiveness checker
* GHCi can run the interpreter in a separate process, and the interpreter can
now run profiled code
* A native code generator for powerpc64 and powerpc64le architectures
* and more!
A more thorough list of the changes in the release can be found in the release
notes,
http://haskell.org/ghc/docs/8.0.1/html/users_guide/release-8-0-1.html
How to get it
~~~~~~~~~~~~~
The easy way is to go to the web page, which should be self-explanatory:
http://www.haskell.org/ghc/
We supply binary builds in the native package format for many
platforms, and the source distribution is available from the same
place.
Packages will appear as they are built - if the package for your
system isn't available yet, please try again later.
Background
~~~~~~~~~~
Haskell is a standard lazy functional programming language.
GHC is a state-of-the-art programming suite for Haskell. Included is
an optimising compiler generating efficient code for a variety of
platforms, together with an interactive system for convenient, quick
development. The distribution includes space and time profiling
facilities, a large collection of libraries, and support for various
language extensions, including concurrency, exceptions, and foreign
language interfaces. GHC is distributed under a BSD-style open source license.
A wide variety of Haskell related resources (tutorials, libraries,
specifications, documentation, compilers, interpreters, references,
contact information, links to research groups) are available from the
Haskell home page (see below).
On-line GHC-related resources
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Relevant URLs on the World-Wide Web:
GHC home page http://www.haskell.org/ghc/
GHC developers' home page http://ghc.haskell.org/trac/ghc/
Haskell home page http://www.haskell.org/
Supported Platforms
~~~~~~~~~~~~~~~~~~~
The list of platforms we support, and the people responsible for them,
is here:
http://ghc.haskell.org/trac/ghc/wiki/Contributors
Ports to other platforms are possible with varying degrees of
difficulty. The Building Guide describes how to go about porting to a
new platform:
http://ghc.haskell.org/trac/ghc/wiki/Building
Developers
~~~~~~~~~~
We welcome new contributors. Instructions on accessing our source
code repository, and getting started with hacking on GHC, are
available from the GHC's developer's site run by Trac:
http://ghc.haskell.org/trac/ghc/
Mailing lists
~~~~~~~~~~~~~
We run mailing lists for GHC users and bug reports; to subscribe, use
the web interfaces at
http://mail.haskell.org/cgi-bin/mailman/listinfo/glasgow-haskell-users
http://mail.haskell.org/cgi-bin/mailman/listinfo/ghc-tickets
There are several other haskell and ghc-related mailing lists on
www.haskell.org; for the full list, see
https://mail.haskell.org/cgi-bin/mailman/listinfo
Some GHC developers hang out on #haskell on IRC, too:
http://www.haskell.org/haskellwiki/IRC_channel
Please report bugs using our bug tracking system. Instructions on
reporting bugs can be found here:
http://www.haskell.org/ghc/reportabug