[Issue 10381] Nonsense associative array comparison

[d-bugmail at puremagic.com]

http://d.puremagic.com/issues/show_bug.cgi?id=10381



--- Comment #5 from hsteoh at quickfur.ath.cx 2013-09-20 13:31:02 PDT ---
(In reply to comment #4)
> (In reply to comment #2)
> > There are some meaningful (and occasionally useful) operations done on whole
> > associative arrays, like testing if the keys of an associative array are a
> > subset (or strict subset) of the keys of another associative array.
> 
> Yes, interesting but too complex/specialized for built-in functionality IMHO.

FWIW, using == on AA's already does (a superset of) what an AA subset operation
would do (iterate over AA keys and check for existence in the other AA).

But I agree that it shouldn't be built-in functionality. Maybe a nice library
wrapper in std.array, but not much beyond that.

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