开云体育

?

Simply because you are assuming, as you develop your "inside" objects, that they will provide the right services to the "outside" objects that you will develop later. ?They might, or they might not, in which case you'll have to do some rework.

On Fri, Oct 18, 2013 at 7:44 PM, Eb <amaeze@...> wrote:

How so?

On Fri, Oct 18, 2013 at 1:36 PM, Michal Svoboda <pht@...> wrote:

?

Eb wrote:
> Curious how if this changes if one develops inside out.

Your probability increases that you develop the wrong thing. :)

On the original point, if your guards are mostly about null, then you
can annotate your stuff with @Nonnull (or similar if your language
supports it). This then makes the contract more like a strong type
system and violations can be likely caught by static analysis tools.

Michal

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