Per Bothner scripsit:

> Another idea is to use '@' as a slice operator, since
> it is already used as such as part of ",@" unquote-splicing:
>
> &foo{&[@vals]}

I favor this idea.  However, "@ vals" has to work too, because "@vals"
is a valid R7RS-small name (though not a valid R5RS name), so R7RS-small
programmers have to write "@ vals" in all cases.

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