Import conflict resoultion
kris
foo at bar.com
Wed Jul 12 20:01:06 PDT 2006
Suspect we've already flogged this to death a number of times, but
selective-imports don't appear to give you much functional power above
and beyond the prefix-import. Thus it would be entirely optional, IMO. I
know Dave has noted this in a prior post, as have others.
Dave wrote:
> Given your rational and proposal, the _need_ for "specific symbol
> import" functionality will probably disappear too, keeping the language
> that much simpler to implement and less to learn and remember in order
> to maintain code.
>
> import a.popular.db.lib dblib;
> alias dblib.open dbopen;
> alias dblib.close dbclose;
>
> would be used instead of something like:
>
> import a.popular.db.lib dblib
> {
> open dbopen;
> close dbclose;
> }
>
> Not much difference in lines of code or effort to write or scan, the one
> advantage being that it would tend to keep aliased symbols close to the
> import (that's still a big advantage though, IMHO).
egad! :)
Would perhaps be simpler to avoid that, and just do this instead:
import a.popular.db.lib db;
db.open ();
db.close ();
As well as being concise and safe, it also clearly indicates just which
instance of open/close is being invoked. Those who don't need safe
imports can still happily use the existing variety:
import a.popular.lib;
open();
close();
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