On Monday, 22 July 2013 at 03:47:36 UTC, JS wrote:
Doing simple stuff like

for(int i = 0; i < s.length - 1; i++) fails catastrophically if s is empty. To make right one has to reduce performance by writing extra checks.

Not really, you could instead just write your loop correctly.
1. Don't loop on int, you are handling a size_t.
2. Avoid substractions when handling unsigned.

for(size_t i = 0; i + 1 < s.length; i++)

Problem solved?

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