[Issue 12595] dup/idup shouldn't be property functions

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=12595

Dennis <dkorpel at live.nl> changed:

           What    |Removed                     |Added
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                 CC|                            |dkorpel at live.nl

--- Comment #3 from Dennis <dkorpel at live.nl> ---
dup is now an implicitly imported function in druntime, does that fix this
issue? Or do you want the specification to call them something different? In
that case, the same should be done for associative array properties like .byKey
and .rehash.

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