[Issue 18835] New: [REG 2.064] to!string doesnt work on enum member starting with two underscores

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=18835

          Issue ID: 18835
           Summary: [REG 2.064] to!string doesnt work on enum member
                    starting with two underscores
           Product: D
           Version: D2
          Hardware: x86_64
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: P1
         Component: phobos
          Assignee: nobody at puremagic.com
          Reporter: b2.temp at gmx.com

test case:

void main()
{
    import std.conv : to;
    enum A{_a, __a}
    assert(to!string(cast(A) 0) == "_a"); // OK
    assert(to!string(cast(A) 1) == "__a"); // fails
}

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