[Haskell-cafe] Client-extensible heterogeneous types
stephen.tetley at gmail.com
Tue Oct 12 10:12:44 EDT 2010
On 12 October 2010 14:08, Jacek Generowicz <Jacek.Generowicz at cern.ch> wrote:
> Reading the GHC docs on Data.Dynamic, I infer that Data.Dynamic is
> non-standard, but, in principle, portable to other implementations.
> Is that understanding correct?
Yes - Data.Dynamic uses some GHC specifics but there are other
"lightweight" encodings of dynamic types that I think just use
existential types (which John Lato mentioned).
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