http://d.puremagic.com/issues/show_bug.cgi?id=4063

           Summary: [CTFE] key not found in AA gives bad error message
           Product: D
           Version: future
          Platform: x86
        OS/Version: Windows
            Status: NEW
          Keywords: diagnostic
          Severity: normal
          Priority: P2
         Component: DMD
        AssignedTo: nobody@puremagic.com
        ReportedBy: bearophile_hugs@eml.cc


--- Comment #0 from bearophile_hugs@eml.cc 2010-04-05 05:29:45 PDT ---
int foo(string s) {
    enum int[string] aa = ["aa":1, "bb":2];
    return aa[s];
}
enum _ = foo("xx"); // line 5
void main() {}


dmd 2.042 gives:

test.d(5): Error: cannot evaluate foo("xx") at compile time
test.d(5): Error: cannot evaluate foo("xx") at compile time


A much better pair of error messages can be:

test.d(3): Error: Range violation. Key "xx" not found in associative array
'aa'.
test.d(5): Error: cannot evaluate foo("xx") at compile time.


Or just (if the symmetry with the run-time error is not considered important):

test.d(3): key "xx" not found in associative array 'aa'.
test.d(5): Error: cannot evaluate foo("xx") at compile time.

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http://d.puremagic.com/issues/show_bug.cgi?id=4063


Don <clugdbug@yahoo.com.au> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |FIXED


--- Comment #1 from Don <clugdbug@yahoo.com.au> 2011-06-17 01:08:40 PDT ---
https://github.com/D-Programming-Language/dmd/commit/0835250480c1458cc868b511da7cd0f757f33029

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