array

Mutable and immutable arrays

Version on this page:	0.5.2.0
LTS Haskell 23.25:	0.5.8.0
Stackage Nightly 2025-06-18:	0.5.8.0
Latest on Hackage:	0.5.8.0@rev:2

See all snapshots array appears in

BSD-3-Clause licensed

Maintained by [email protected]

This version can be pinned in stack with:array-0.5.2.0@sha256:7c125c789072951865c24b339c02aa923bbbe7fe7d538f8f992c022dfa1e5b8d,1706

Module documentation for 0.5.2.0

Data
- Data.Array
  - Data.Array.Base
  - Data.Array.IArray
  - Data.Array.IO
    - Data.Array.IO.Internals
    - Data.Array.IO.Safe
  - Data.Array.MArray
    - Data.Array.MArray.Safe
  - Data.Array.ST
    - Data.Array.ST.Safe
  - Data.Array.Storable
    - Data.Array.Storable.Internals
    - Data.Array.Storable.Safe
  - Data.Array.Unboxed
  - Data.Array.Unsafe

Depends on 1 package(full list with versions):

base

Used by 59 packages in nightly-2018-03-13(full list with versions):

abstract-deque, abstract-deque-tests, alex, alsa-seq, array-memoize, binary, binary-ieee754, BoundedChan, Cabal, carray, cereal, chaselev-deque, combinatorial, concurrency, containers, data-accessor, deepseq, Diff, dsp, Ebnf2ps, fft, fgl, floatshow, freetype2, frisby, ghc, ghci, GLUT, graphs, happy, haskell-src-exts, hmatrix, Imlib, integer-logarithms, ix-shapable, jack, language-c, libgraph, lmdb, logfloat, and many more

In addition to providing the Data.Array module as specified in the Haskell 2010 Language Report, this package also defines the classes IArray of immutable arrays and MArray of arrays mutable within appropriate monads, as well as some instances of these classes.

Changes

Changelog for `array` package

0.5.2.0 Jul 2017

Bundled with GHC 8.2.1
Overflow check in unsafeNewArray (#229)
Fix and simplify handling of Bool arrays
Export unsafeFreezeIOUArray from Data.Array.IO.Internals
Drop support for GHC versions prior to GHC 7.8

0.5.1.1 Apr 2016

Bundled with GHC 8.0.1
Use @since syntax in Haddock comments
Don’t needlessly call bounds in Data.Array.Base.elems (#10014)

0.5.1.0 Mar 2015

Bundled with GHC 7.10.1
Add role annotations for GHC >= 7.8 (#9220)

0.5.0.0 Nov 2013

Update to Cabal 1.10 format
Remove NHC and Hugs specific code
Remove deprecated function exports Data.Array.IO.castIOUArray, Data.Array.MArray.unsafeFreeze, Data.Array.MArray.unsafeThaw, and Data.Array.ST.castSTUArray; These functions are still available from the Data.Array.Unsafe module.

0.4.0.1 Sep 2012

Bundled with GHC 7.6.1
Fix inline rule shadowing warnings

0.4.0.0 Feb 2012

Bundled with GHC 7.4.1
Add support for SafeHaskell
New Data.Array.IO.Safe module
New Data.Array.MArray.safe module
New Data.Array.ST.safe module
New Data.Array.Storable.Internals module
New Data.Array.Storable.Safe module
New Data.Array.Unsafe module