Arrays - HaskellWikiImmutable arrays (module Data.Array.IArray) The first interface provided by the new array library, is defined by the typeclass IArray (which stands for "immutable array" and defined in the module Data.Array.IArray) and defines the same operations that were defined for Array in Haskell'98. The big difference is that it is now a typeclass and there are 4 array type constructors, each of which implem
Performance/Arrays - HaskellWiki
