Type inference + forwarding lambda predicate
Maxim Fomin
maxim at maxim-fomin.ru
Fri Jan 4 08:40:46 PST 2013
On Friday, 4 January 2013 at 16:06:38 UTC, Jacob Carlborg wrote:
> The following code results in a Segmentation fault: 11. The
> reason seems to be because "any" is called indefinitely. But if
> I don't use type inference for the lambda it works correctly.
>
> import algorithm = std.algorithm;
>
> bool any (alias predicate, Range) (Range range)
> {
> return algorithm.any!(predicate)(range);
> }
>
> void main ()
> {
> auto arr = ["foo"];
> any!(e => e == "asd")(arr); // segfault
> // any!((string e) => e == "asd")(arr); // works
> }
>
> Am I doing something wrong or is this a bug?
Seems to be a lambda bug. Take a look at
http://d.puremagic.com/issues/show_bug.cgi?id=8774 especially
last Walter's comments. He has fixed many similar issues but
there are still some problems. This appears to be another one.
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