Hey, that's neat.
On Wed, Jul 16, 2008 at 10:19 PM, Eduardo Cavazos
<[EMAIL PROTECTED]> wrote:
> Hello,
>
> Quite a few of my programs use a "state machine" design whereby I use a bunch
> of Factor variables to represent the state. When using these programs
> interactively, staying aware of the state helps to know what's going on. I
> implemented an enhanced stack display which let's you selectively monitor
> variables.
>
> Define some symbols
>
> ( scratchpad ) SYMBOLS: a b c ;
> ----------
> ----------
>
> Watch their values
>
> ( scratchpad ) { a b c } watch-vars
> ----------
> a: f
> b: f
> c: f
> ----------
> ----------
>
> Change the values of the variables
>
> ( scratchpad ) 10 a set
> ----------
> a: 10
> b: f
> c: f
> ----------
> ----------
> ( scratchpad ) 20 b set
> ----------
> a: 10
> b: 20
> c: f
> ----------
> ----------
> ( scratchpad ) 30 c set
> ----------
> a: 10
> b: 20
> c: 30
> ----------
> ----------
>
> Stop monitoring a particular variable
>
> ( scratchpad ) b unwatch-var
> ----------
> a: 10
> c: 30
> ----------
> ----------
>
> If you'd like to use this feature, do this in your listener:
>
> USE: display-stack
>
> display-stack
>
> Ed
>
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