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I noticed *std::initializer_list* can be deduced to *auto* only one rank.
*auto i = {{0}, {0, 1}};* // expected i to be
std::initializer_list<std::initializer_list<int>>
*std::vector<std::vector<int>> v{{0}, {0, 1}};* // but the list
initialization like this is legal.
So, I simply suggest *std::initializer_list* to be able to deduced to *auto*
multiple ranks.

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<div dir=3D"ltr"><div>I noticed <b>std::initializer_list</b> can be deduced=
 to <b>auto</b> only one rank.</div><div><b>auto i =3D {{0}, {0, 1}};</b> /=
/ expected i to be std::initializer_list&lt;std::initializer_list&lt;int&gt=
;&gt;</div><div><b>std::vector&lt;std::vector&lt;int&gt;&gt; v{{0}, {0, 1}}=
;</b> // but the list initialization like this is=C2=A0legal.</div><div>So,=
 I simply suggest <b>std::initializer_list</b> to be able to deduced to <b>=
auto</b> multiple ranks.</div></div>

<p></p>

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