Really great solution !!

thanks, thanks to all.

2006/2/17, Ladislav Mecir <[EMAIL PROTECTED]>:
>
> that is quite easy to accomplish, here is how:
>
>     using: func [
>         [throw]
>         context-block [block!]
>         body [block!]
>     ] [
>         foreach context context-block [bind body in context 'self]
>         do body
>     ]
>
>     ctx1: context [a: 11]
>     ctx2: context [b: 12]
>     ctx3: context [c: 13]
>
>     using reduce [ctx1 ctx2 ctx3] [
>         print a
>         print b
>         print c
>     ]
>
> HTH
> -L
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