[Ur] Set / Update values within a structure

[Nitin Surana]

Hi Adam

Thanks for responding. Is there any alternative to change the callback ? I
want to trigger a urweb function defined within `let` block upon a
javascript event.
Since, the function is within `let` block (because it needs access to
certain variables within the parent function), I'm unable to use execF(...)
from javascript.

Also, is `ref` not supported in urweb ?

Thanks

On Fri, Nov 10, 2017 at 4:48 AM, Adam Chlipala <adamc at csail.mit.edu> wrote:

> On 11/09/2017 10:42 PM, Harshita Kasera wrote:
>
> What I ultimately want to achieve is to be able to change the callback
> function *debugMe* at a later point of time. Is it possible to set or
> update values within a structure at a later point of time?
>
>
> No, module (structure) fields can't be modified at runtime in Ur/Web or
> ML.  Therefore, the module system is not the right tool for runtime
> rewriting of callbacks.
>
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-- 
Regards
Nitin Surana
MS Computer Science
323-690-6529
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