[Issue 8143] Safe std.conv.to enum conversion

[d-bugmail at puremagic.com]

http://d.puremagic.com/issues/show_bug.cgi?id=8143



--- Comment #20 from Andrej Mitrovic <andrej.mitrovich at gmail.com> 2012-10-26 16:40:22 PDT ---
(In reply to comment #16)
> Another significant test case, this is useful in many simulations and games, to
> write safe tables and start conditions:
> 
> enum Code : char { A='A', B='B', C='C' }
> 
> void test()
> {
> ...
>     const code = to!(Code[][])(["ABCCBA", "BBAA"]);
>     with (Code)
>         assert(code == [[A, B, C, C, B, A], [B, B, A, A]]);
> }

I won't be able to do this, the problem is there is already a toImpl overload
which takes a string and turns it into an enum. It has different semantics, it
searches for matching member names rather than member values.

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