[Issue 5854] Built-in array sort doesn't sort SysTime correctly

[d-bugmail at puremagic.com]

http://d.puremagic.com/issues/show_bug.cgi?id=5854


kekeniro2 at yahoo.co.jp changed:

           What    |Removed                     |Added
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                 CC|                            |kekeniro2 at yahoo.co.jp
          Component|DMD                         |Phobos


--- Comment #2 from kekeniro2 at yahoo.co.jp 2012-10-17 19:21:30 PDT ---
The cause is in Phobos library.(std.datetime)
Struct SysTime has some opCmp, but lacks the required one to overload.

http://dlang.org/arrays.html#array-properties
> For the .sort property to work on arrays of structs or unions, the struct or union definition must define the function: int opCmp(ref const S) const. The type S is the type of the struct or union. This function will determine the sort ordering.

# I have no idea whether DMD could print an error or not.

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