[Haskell-cafe] [ANNOUNCE] GHC 8.2.1 available
ben at smart-cactus.org
Wed Jul 26 14:15:00 UTC 2017
Wolfgang Jeltsch <wolfgang-it at jeltsch.info> writes:
> Am Samstag, den 22.07.2017, 23:03 -0400 schrieb Ben Gamari:
>> In addition, there are a number of new features,
>> * A new, more type-safe type reflection mechanism
>> * The long-awaited Backpack module system
>> * Deriving strategies to disambiguate between GHC's various instance
>> deriving mechanisms
>> * Unboxed sum types, for efficient unpacked representation of sum
>> data types
>> * Compact regions, allowing better control over garbage collection
>> in the presence of large heaps containing many long-lived objects.
>> * Colorful messages and caret diagnostics for more legible errors
>> A more thorough list of the changes in this release can be found in
>> the release notes,
> It seems that the release notes mention the new type reflection
> mechanism und colorful messages only in the “Highlights” section, not in
> the “Full details” section, and that they do not mention the Backpack
> module system and unboxed sums at all.
Yes, indeed these were oversights. They are fixed in the ghc-8.2 branch
and I will try to push newly generated documentation shortly.
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