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Answers and rating deltas for

Why does the author emphasizes the fact that operator[] cannot return 0?

Author Votes Δ
Oliver Charlesworth 7 +1.19
sepp2k 3 -0.19
Michael Krelin - hacker 1 -0.64
v01d 0 -2.85
Last visited: Sep 14, 2014, 5:07:29 AM