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24 lines
689 B
24 lines
689 B
3 days ago
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#pragma once
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#include <iterator>
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namespace algorithm
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{
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// comp returns true if lhs is thought to be less than rhs
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// f(start, end)
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template <typename InputIt, typename Compare, typename F>
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void operate_on_set_intervals(InputIt first, InputIt last, Compare comp, F f)
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{
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if (first == last) return;
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for (InputIt prev_iter = first++; first != last; ++first, ++prev_iter) {
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if (comp(*prev_iter, *first)) f(*prev_iter, *first);
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}
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}
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// f(start, end)
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template <typename InputIt, typename F>
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void operate_on_set_intervals(InputIt first, InputIt last, F f)
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{
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operate_on_set_intervals(first, last, std::less<std::decay_t<decltype(*first)>>{}, f);
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}
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} // namespace algorithm
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