[project @ 1996-07-25 20:43:49 by partain]
[ghc-hetmet.git] / ghc / docs / release_notes / 0-10-notes.lit
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-Release~0.10 was the first major, public release of this compilation
-system.
-
-The announcement (now distributed in \tr{ghc/docs/ANNOUNCE-0.10})
-describes the most notable features of this release.  These notes,
-therefore, just cover some of the fine points...
-
-%************************************************************************
-%*                                                                     *
-\subsection[0-10-new-docs]{New documentation}
-%*                                                                     *
-%************************************************************************
-
-We're providing a few more papers, in \tr{ghc/docs/papers}.  See
-\tr{ghc/docs/README} for a full list of documentation.
-
-%************************************************************************
-%*                                                                     *
-\subsection[0-10-new-in-usage]{User-visible changes}
-%*                                                                     *
-%************************************************************************
-
-An ``Appel-style'' generational garbage collector is now the default.
-(It used to be a two-space copying collector.)
-
-The flag to use the unboxery and other Glasgow extensions was
-\tr{-funboxed}.  We've changed it to \tr{-fglasgow-exts}.  We may
-elaborate this further, eventually...
-
-(If 0.06 is the last version you looked at, flags/options have changed
-a fair bit since then.)
-
-%************************************************************************
-%*                                                                     *
-\subsection[0-10-new-in-compiler]{New in the compiler proper}
-%*                                                                     *
-%************************************************************************
-
-Derived instances are in, well partly.  We'll put in the rest when
-there's a demand (or we have nothing better to do).
-
-@Integers@ (arbitrary-precision integers) are now in properly.
-Just as HBC does, we use the GNU multi-precision arithmetic package.
-Source is in \tr{ghc/runtime/gmp}.
-
-We did a bunch of stuff in the typechecker region to support
-overloading better; we called it ``dictionary stomping.''  One
-side-effect of this work is that error messages related to overloading
-have a slight chance of being sensible (which they weren't before).
-
-``Primitive arrays,'' on top of which efficient, regular Haskell
-arrays can be (are) built, went in.  There's a {\em little} about
-using them, in the ``Glasgow extensions'' section of the User's Guide.
-
-Similarly, the mechanisms for calling C directly (@ccall@ and @casm@)
-are more likely to be useful.  Again, a little documentation in the
-same place...
-
-%************************************************************************
-%*                                                                     *
-\subsection[0-10-new-in-libraries]{In the prelude and runtime support}
-%*                                                                     *
-%************************************************************************
-
-Our standard prelude conforms to the Haskell~1.2 report.
-
-We support a non-standard @fromInt@ method for the @Num@ class, just as
-HBC does.
-
-We support a non-standard @cmp3@ method for the @Ord@ class.  Snoop
-around in the \tr{ghc/lib/prelude/*.hs} code, if you care.  (We use it
-in code generated for derived instances.)