Aaron Lehmann schrieb:
On Feb 11, 2008, at 10:06 AM, Christian Theune wrote:
Hi,
Aaron Lehmann schrieb:
Christian,
What if people are relying on those error messages to do different
things?
Possibly they already have normalization code they expect to come
into play in this situation, which is different than yours
.
I see that people might be doing that, however, it seems like a bad
idea to code that way. ;)
Maybe. But enforcing this on others seems to cut against "consenting
adults." After all, how do you know that your desired resolution is the
resolution for everyone?
Sure, that's why I'm discussing it here. ;)
On the other hand, having to do this seems annoying, so as someone
writing new code I'd consider your proposed patch a feature, rather
than a bugfix.
I'd be happy to declare it a feature, but I consider the existing
state to not be ideal and thus it should be changed.
Possibly instead of returning an error, it might resolve the name, and
take an optional callback that performs said resolution? That way,
people who have their own resolution code can easily factor it in.
Hmm. Sounds like a little too much engineering and not very componentish
to me.
Up to this point my thinking went this way: We have an interface that
allows us to a) check whether a name is ok b) create a name that is ok
for us, probably considering a name that we give him.
The second method feels like it should never raise an error - that's
what the `check` method is for.
If you want to customize the behaviour, you can always create a
different name chooser implementation. It doesn't have to be 100%
correct for everyone, but it should avoid the 80% pitfalls and it
certainly should implement the interface the way it is intended.
Unfortunately the interface is a bit unspecific whether chooseName may
raise an error if the given name does not conform to checkName or
whether it is obligued to always pick a good one.
Christian
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