The Difference Between std::copy_backward and std::copy with Reverse Iterators--Jonathan Boccara

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The Difference Between std::copy_backward and std::copy with Reverse Iterators

by Jonathan Boccara

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A couple of months ago, I made a talk at the ACCU conference about learning every algorithm there is in the STL. Amongst them, we covered std::copy_backward, that makes a copy of a source range to a destination range, starting from its end and working its way back to the beginning.

In the questions session at the end of the talk, attendant Oscar Forner rose an interesting point: is there any difference between performing a std::copy_backward versus performing a simple std::copy on the reverse iterators from the source collection?

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