在 Sep 22, 2006 10:36 PM 時,Patrick R. Michaud 寫到:

Out of curiosity, why not:

    /<foo> bar bar $<xyz>:=(<foo>+)/

and then one can easily look at $<xyz>.from and $<xyz>.to, as well
as get to the arrayed elements?  (There are other possibilities as

I'm not arguing in favor of or against the proposal, just pointing
out that there are ways in the existing scheme to get at what is

Indeed... Though what I'm wondering is, is there a hidden implementation
cost or design cost of making /<foo>+/ always behave such that $<foo>.from
returns something, compared to the current treatment with the workaround
you suggested?


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