[Issue 8980] New: no implicit cast to const for AA

[d-bugmail]

http://d.puremagic.com/issues/show_bug.cgi?id=8980

           Summary: no implicit cast to const for AA
           Product: D
           Version: D2
          Platform: x86_64
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: DMD
        AssignedTo: nob...@puremagic.com
        ReportedBy: purema...@mikevandongen.nl


--- Comment #0 from Mike van Dongen <purema...@mikevandongen.nl> 2012-11-08 
07:21:12 PST ---
In the following example I'm trying to compare 2 AA's of which 1 is const.

const string[string] a = ["lang": "D"];
string[string] b = ["lang": "D"];
assert(a == b);

The compiler gives the following error:
Error: incompatible types for ((a) == (b)): 'const(immutable(char)[][string])'
and 'string[string]'

When I explicitly cast b to const, it does work.

assert(a == cast(const) b);

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