[c++] Iteration over std::vector: unsigned vs signed index variable

If your compiler supports it, you could use a range based for to access the vector elements:

vector<float> vertices{ 1.0, 2.0, 3.0 };

for(float vertex: vertices){
    std::cout << vertex << " ";
}

Prints: 1 2 3 . Note, you can't use this technique for changing the elements of the vector.

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