[Haskell-cafe] Safely reading RemoteRefs?

[amindfv at gmail.com]

I notice I'm able to retrieve haskell variables after a :r in ghci:

:m + Data.Binary
:m + GHCi.RemoteTypes

> encodeFile "/tmp/foo" =<< mkRemoteRef "hello!"

(:reload)

> putStrLn =<< localRef =<< decodeFile "/tmp/foo"

"hello!"

Is this safe? It works correctly in the common case but are there things I need to be careful of?

In the string case it's not too interesting but it would be great to e.g. retrieve the pid of a running process.

Tom
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