Unpack tuple c++

auto tuple = std::make_tuple(1, 'a', 2.3);
std::array<int, 3> a{1, 2, 3};

// unpack the tuple into individual variables declared above
const auto[i, c, d] = tuple;
// same with an array
auto[x,y,z] = a;

Source: dominikberner.ch

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