Is there a reason for zero sized std::array in C++11?

Is there a reason for zero sized std::array in C++11?

c++ arrays c++11 c++14 stdarray

arrays

Why can I not copy a C-style array to std::array? [duplicate]

c++ arrays c++11 stl stdarray

arrays

Implicit instantiation of undefined template 'std::__1::array<int, 3>'

c++ arrays include stdarray

arrays

Why is C array so much faster than std::array? [duplicate]

c++ arrays performance c++11 stdarray

arrays

What is the use of 0-length array (or std::array)?

c++ arrays stdarray

arrays

Is there a way to enforce full initialization of std::array

arrays c++11 initialization stdarray

arrays