On Tue, Oct 3, 2017 at 2:55 AM, Peter Hull <peterhul...@gmail.com> wrote:

> On puzzler's database example, I would have thought that restricting the
> keys that go into the DB should not be the job of spec (since functions may
> not be instrumented anyway), but the job of the 'core logic'. Maybe I am
> misunderstanding though.
>


Even when functions are not instrumented, one powerful use of spec is to
call valid? or conform from within your code to test data against specs as
part of the function's logic.  One of the value propositions of spec is
that it handles a whole range of use cases.  You define your spec once, and
one of the many things you can do with it is to use it as part of your
validation logic.

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