[Issue 12420] [AA] Can't set associative array with array as key value using key type

d-bugmail at puremagic.com d-bugmail at puremagic.com
Sun Mar 30 01:27:45 PDT 2014


https://d.puremagic.com/issues/show_bug.cgi?id=12420



--- Comment #3 from Denis Shelomovskij <verylonglogin.reg at gmail.com> 2014-03-30 12:27:43 MSK ---
(In reply to comment #1)
> I agree with the conclusion, the reason in my thought is:
> 
> `new char[1]` makes unique data and have no foreign reference, so it can be
> implicitly convertible to immutable(char[]). Therefore directly using it in the
> index part of the AA element setting will be allowed.

Looks like you misunderstood me. The word `immutable` shouldn't be here, it's
just an incorrect error message. Currently we have no rules disallowing
non-`immutable` associative array keys. I filed Issue 12491 for this.

This issue will be auto-fixed if Issue 2954 will be fixed by applying a correct
check to ensure key expression can be implicitly converted to AA key type in
case of setting AA value.

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