[Haskell-cafe] two problems with Data.Binary and Data.ByteString

[Bryan O'Sullivan]

On Tue, Aug 12, 2008 at 6:01 PM, Tim Newsham <newsham at lava.net> wrote:

> (my keys are dates, which are Enum).  This should look at
> every key in every inner map.  Shouldn't that be sufficient to
> force the entire data set (or do I have to touch the fields in the
> data elements too?)

You might have to force the last value of the alist that the map gets
flattened into, since otherwise there's no guarantee that it will be
read.

You really, really want to be using rnf for this job, instead of
turning your brain into a pretzel shape.