[GHC] #4278: Proposal: Add strict versions of foldlWithKey and insertLookupWithKey to Data.Map

[GHC]

#4278: Proposal: Add strict versions of foldlWithKey and insertLookupWithKey to
Data.Map
----------------------------------+-----------------------------------------
    Reporter:  tibbe              |        Owner:                         
        Type:  proposal           |       Status:  patch                  
    Priority:  normal             |    Milestone:  Not GHC                
   Component:  libraries (other)  |      Version:  6.12.3                 
    Keywords:                     |     Testcase:                         
   Blockedby:  4277               |   Difficulty:                         
          Os:  Unknown/Multiple   |     Blocking:  4313                   
Architecture:  Unknown/Multiple   |      Failure:  Runtime performance bug
----------------------------------+-----------------------------------------
Changes (by tibbe):

  * status:  new => patch


Comment:

 I've attached a patch that adds the `foldlWithKey'` function. It replaces
 the earlier patch. Please apply.

 N.B. `insertLookupWithKey'` has already been added in HEAD.

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/4278#comment:5>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler