[PD-dev] $0 in messages, was: multiple $arg-expansion
IOhannes m zmoelnig
zmoelnig at iem.at
Sun Jan 15 18:24:06 CET 2006
Frank Barknecht wrote:
> Hallo,
> Frank Barknecht hat gesagt: // Frank Barknecht wrote:
>
> So what about this, which tries to keep a bit of backwards
> compatibility:
>
> * Object arguments change from $x to #x with x in 0(sic!),1,...,n
>
> * $x in objects are kept for a while for compatibility
>
> * Messages will get additional placeholders for canvas-properties,
> that start with a #hash and directly correspond to the object
> arguments from above. They will keep $-placeholders starting from
> 1(sic!) as in the past.
>
> * There will be no $0 anymore in the long run.
>
so what would #0 be? a uniq id again?? this seems so wrong to me.
personally i have to admit, that i don't have problems with $ in objects
and $ in messages. for me it really emphasizes the difference between a
message (an event; only exists _now_; no knowledge of its environment)
and an object (a process (a storage); persistant; ...)
i like the idea with the [message] object, as it seems to be in line
with this separation.
mfgm.bzrt.-rz
IOhannes
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