[Issue 7227] New: [] syntax for empty associative array too?

[d-bugmail at puremagic.com]

http://d.puremagic.com/issues/show_bug.cgi?id=7227

           Summary: [] syntax for empty associative array too?
           Product: D
           Version: D2
          Platform: All
        OS/Version: All
            Status: NEW
          Keywords: rejects-valid
          Severity: minor
          Priority: P2
         Component: DMD
        AssignedTo: nobody at puremagic.com
        ReportedBy: bearophile_hugs at eml.cc


--- Comment #0 from bearophile_hugs at eml.cc 2012-01-04 14:37:27 PST ---
void foo(int[int] bb) {}
void main() {
    int[int] aa;
    aa = null; // OK
    foo(null); // OK
    aa = [];   // Error
    foo([]);   // Error
}



DMD 2.058head gives:

test.d(6): Error: cannot implicitly convert expression ([]) of type void[] to
int[int]
test.d(7): Error: function test2.foo (int[int] bb) is not callable using
argument types (void[])
test.d(7): Error: cannot implicitly convert expression ([]) of type void[] to
int[int]

I am not sure, but maybe the second syntax too should be accepted.


An alternative syntax for empty associative array literal:

void foo(int[int] bb) {}
void main() {
    int[int] aa;
    aa = [:];
    foo([:]);
}

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