[Haskell-cafe] hash tables

David Turner dct25-561bs at mythic-beasts.com
Fri Jan 27 07:41:16 UTC 2017

Hi Dennis,

Data.HashMap [1] is my preferred way to do this, which avoids any mucking
around in IO at all.

If that doesn't work for you, funnily enough the function you're looking
for may well be called `freeze` [2]



On 27 Jan 2017 05:18, "Dennis Raddle" <dennis.raddle at gmail.com> wrote:

I want to build a hash table and then freeze it and use it for fast lookup
later. Is there a way to build it in IO or ST but freeze it and use it in
transparent code later?

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