[Haskell-cafe] Re: Doing without IORef
jinwoo68 at gmail.com
Thu Apr 3 21:14:22 EDT 2008
Now I think using IORef is the most practical way to do this.
And Claude, I will look into the article that you mentioned.
On Fri, Apr 4, 2008 at 3:08 AM, Peter Hercek <phercek at gmail.com> wrote:
> Jinwoo Lee wrote:
> > Is there any way in which I can do without IORef in tabHandler and
> > commandLoop (written in red and bold, if you can see)?
> You could just always redefine the key binding for \t with
> a new closure which contains the updated "pwd" value (or
> the whole state if you like it more that way). I suppose
> readline supports key binding redefinition (???).
> But I do not think I like it more that IORef, I rather
> use IORefs with imperative interfaces :-)
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