[String Algo] Any reason the predicates don't optimize for random access iterators?
3 Nov
2015
3 Nov
'15
9:28 p.m.
I was looking in boost/algorithm/string/predicate.hpp and noticed that that the predicates *starts_with, *ends_with, *contains and *equals don't optimize for random access iterators. While I haven't done any benchmarks yet, it seems like it would be faster for random access iterators to do an O(1) length check at the beginning and then while looping only check one iterator against its end instead of two. Thoughts? Nevin :-) -- Nevin ":-)" Liber <mailto:nevin@c <nevin@eviloverlord.com>plusplusguy.com> (847) 691-1404
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Nevin Liber
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Seth