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[REBOL] Re: Confused over Contexts

From: nitsch-lists:netcologne at: 22-Dec-2001 21:15

RE: [REBOL] Re: Confused over Contexts [rotenca--telvia--it] wrote:
> Hi Volker > > > difference is, functions share the context for their locals, > > only saving/restoring content for recursion. > > so if a function gives a word to the outside, > > all blocks share the same word. > > with context a real new word is created each time. > > also RT says they may cange function-behavior, > > setting all locals to none on return. > > so using locals in code which "lives" after return may break then. > > I think that in this case 'context works only because layout reduce the > action > block. In other cases, the fact that none of func, use, context duplicate the > body, would take to shared context. >
yes, the block is copied by layout. otherwise it would be [context copy/deep [..]] but the point is, all this copied blocks use the same local words in the same context. so one needs to create a new context for each layout.
> --- > Ciao > Romano >