STUArray and IOUArray lack an Eq instance

Data.Array.IO.IOArray and Data.Array.ST.STArray have Eq instances defined, but their unboxed counterparts (IOUArray and STUArray) have not.

On certain scenarios, this makes switching from boxed to unboxed arrays much harder than necessary.

Furthermore, comments on the sources suggest that the Eq instance for unboxed mutable arrays were accidentally ommited; e.g., from Data/Array/IO.hs:

module Data.Array.IO (
  ...
   -- * @IO@ arrays with unboxed elements
   IOUArray,		-- instance of: Eq, Typeable

Trac metadata

Trac field	Value
Version	6.6
Type	Bug
TypeOfFailure	OtherFailure
Priority	normal
Resolution	Unresolved
Component	libraries/base
Test case
Differential revisions
BlockedBy
Related
Blocking
CC
Operating system	Unknown
Architecture	Unknown