[Haskell] thread-local variables
taralx at gmail.com
Sun Aug 6 13:25:12 EDT 2006
On 8/5/06, Frederik Eaton <frederik at a5.repetae.net> wrote:
> Also, note that my proposal differs in that thread local variables are
> not writable, but can only be changed by calling (e.g. in my API)
> and if some library I use decides
> to fork a thread behind the scenes, it won't change my program's
Yes, but if it passes your action to another pre-existing thread, it will.
What people seem to want is dynamic scoping. Why not implement that
instead of messing around with yucky thread stuff?
data IODynamicRef a
getDynamicRef :: IODynamicRef a -> IO a
setDynamicRef :: IODynamicRef a -> a -> IO b -> IO b
Taral <taralx at gmail.com>
"You can't prove anything."
-- Gödel's Incompetence Theorem
More information about the Haskell