[Issue 18044] New: std.conv.to for implicitly convertible associative arrays

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=18044

          Issue ID: 18044
           Summary: std.conv.to for implicitly convertible associative
                    arrays
           Product: D
           Version: D2
          Hardware: All
                OS: All
            Status: NEW
          Severity: major
          Priority: P1
         Component: phobos
          Assignee: nobody at puremagic.com
          Reporter: john.loughran.colvin at gmail.com

This should pass, but currently matches both the implicit conversion and the
associative array overloads of toImpl

@safe unittest
{
    import std.algorithm.comparison : equal;
    import std.array : byPair;

    int[int] a;
    assert(a.to!(int[int]) == a);
    assert(a.to!(const(int)[int]).byPair.equal(a.byPair));
}

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