Proposal: Make Data.Map.insertWith' and friends consistently force the value inserted

Nicolas Pouillard nicolas.pouillard at
Mon May 31 03:43:20 EDT 2010

On Sun, 30 May 2010 23:34:47 +0100, Ian Lynagh <igloo at> wrote:
> Hi all,
> Currently, Data.Map.insertWith' (and friends) only force the value
> inserted when the combining function creates it:

+1 for this patch.

Nicolas Pouillard

More information about the Libraries mailing list