[Haskell-cafe] ANN: primitive 0.6.4.0
carter.schonwald at gmail.com
Wed May 30 18:54:52 UTC 2018
This is a pretty exciting (albeit minor version)
I'd like to especially thank David Feuer (treeowl ) and Andrew Martin
(andrewthad) for their contributions
the change log has a huge number of bug fixes relative to 0.6.2-3
also we added some new modules of features
PrimArray --- unboxed nonsliceable vectors
MVar -- Mvars that run in any PrimMonad
augmented the Data.Primitive exports for increased consistency
(the new .Ptr and .Mvar modules aren't exported in this minor version so
users can easily migrate)
Changes in version 0.6.4.0
Introduce Data.Primitive.PrimArray, which offers types and function for
dealing with a ByteArray tagged with a phantom type variable for
tracking the element type.
Implement isByteArrayPinned and isMutableByteArrayPinned.
Add Eq1, Ord1, Show1, and Read1 instances for Array and SmallArray.
Improve the test suite. This includes having property tests for
typeclasses from base such as Eq, Ord, Functor, Applicative, Monad,
IsList, Monoid, Foldable, and Traversable.
Fix the broken IsList instance for ByteArray. The old definition would
allocate a byte array of the correct size and then leave the memory
unitialized instead of writing the list elements to it.
Fix the broken Functor instance for Array. The old definition would
allocate an array of the correct size with thunks for erroring installed at
every index. It failed to replace these thunks with the result of the
function applied to the elements of the argument array.
Fix the broken Applicative instances of Array and SmallArray. The old
implementation of <*> for Arrayfailed to initialize some elements but
correctly initialized others in the resulting Array. It is unclear what
the old behavior of <*> was for SmallArray, but it was incorrect.
Fix the broken Monad instances for Array and SmallArray.
Fix the implementation of foldl1 in the Foldable instances for Array and
SmallArray. In both cases, the old implementation simply returned the
first element of the array and made no use of the other elements in the
Fix the implementation of mconcat in the Monoid instance for SmallArray.
Implement Data.Primitive.Ptr, implementations of Ptr functions that
require a Prim constraint instead of a Storable constraint.
Add PrimUnlifted instances for TVar and MVar.
Use compareByteArrays# for the Eq and Ord instances of ByteArray when
building with GHC 8.4 and newer.
Add Prim instances for lots of types in Foreign.C.Types and
Reexport Data.Primitive.SmallArray and Data.Primitive.UnliftedArray from
Add fold functions and map function to Data.Primitive.UnliftedArray. Add
typeclass instances for IsList, Ord, and Show.
Add defaultSetByteArray# and defaultSetOffAddr# to Data.Primitive.Types.
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