On 2009-08-17, Aidan Kehoe <kehoea(a)parhasard.net> wrote:
The thing that prompted my interest in multiple values was providing
a
decent API for #'query-coding-region. That was my need, I wanted it to
return t if the region was encodable and return nil plus further information
(acquired in the course of executing the function) if it was not. And no,
And it was worth all that work to avoid defining an API where the
old "return value" is the car of a returned list, or the extra
information is stashed into a variable? That's some devotion to
theoretical elegance!
Every other dynamic language out there of note has this feature, by
the way.
I think TeX is of note;-)
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