why scope(success)?
Ben Hinkle
ben.hinkle at gmail.com
Tue May 9 19:36:03 PDT 2006
> Maybe... self documenting functions, listing all return values at the top?
>
> int foobar( ..etc.. )
> {
> scope(success) return 1;
> scope(failure) return 0;
>
> }
Does scope(failure) continue unwinding the stack? I wonder what the behavior
is of returning from a scope(failure).
> As someone else mentioned, commiting changes to a database, perhaps
> several, some of which are optional depending on program flow eg.
>
> int foobar( ..etc..)
> {
> if (a) {
> ..make changes to a..
> scope(success) db.commit(a);
> }
>
> if (b) {
> ..make changes to b..
> scope(success) db.commit(b);
> }
>
> ..make changes to c..
> db.commit(c); //no scope.. required here
> return 1;
> }
I believe writing "scope(success) foo;" followed by the end of the current
scope is equivalent to just writing "foo;". Maybe I'm misunderstanding the
example.
> Regan
More information about the Digitalmars-d
mailing list