Thanks, this indeed works. One "obvious" (when your program
starts to behave weirdly...) down side of this solution: it needs
a different dummy for each optional out value of a function, or
else multiple variables will be modifying the same dummy.
And, of course, a different dummy for each type of out value,
because values after cast() apparently aren't lvalues.
And my last question of my first post: I can't use "auto" for the
"out" values right? An enhancement proposal like this would be
compatible with D?
Also, the function duplication workaround doesn't works if I
templatize the function... Is this inconsistency intentional?
On Saturday, 11 August 2012 at 23:23:48 UTC, Ali Çehreli wrote:
I am not a fan of this solution either. To make the code to
compile, define dummy as static:
static T dummy = T.init; // <-- this works
That way there will be just one copy for the entire type,
instead of one copy per object.
Ali
