Template argument deduction for class templates adopted in cpp17

[mogu via Digitalmars-d]

Link:
http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2016/p0091r1.html

And we have DIP40:
http://wiki.dlang.org/DIP40

Is someone there to renew it in new DIPs repo? T.T