[erlang-questions] Any wisdom to offer on "tagged return values"

[mats cronqvist]

"David Mercer" <dmercer@REDACTED> writes:

> mats cronqvist wrote:
>
>>   ... It is
>>   a rare function that can return several valid answers. So, the
>>   default should be to return a valid answer, i.e. one that can be
>>   used directly, or throw an error.
>
> That's my default approach, too.  Are there any arguments against this?

  Richard O'Keefe had a whole bunch in a thread a year or so ago. IIRC,
  it all boiled down to how rare the "rare functions" are.

  mats