21 lines
664 B
C
21 lines
664 B
C
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#pragma once
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#include <vector>
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template<typename TCollection>
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std::vector<std::pair<typename TCollection::value_type, typename TCollection::value_type>> getPairs(const TCollection& collection) {
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using TElement = typename TCollection::value_type;
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using TPair = std::pair<TElement, TElement>;
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auto begin = collection.begin();
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auto end = collection.end();
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if (begin == end || ++TCollection::const_iterator(begin) == end) {
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return std::vector<TPair>();
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}
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std::vector<TPair> result;
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for (auto first = begin, second = ++TCollection::const_iterator(begin); second != end; ++first, ++second) {
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result.push_back(TPair(*first, *second));
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}
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return result;
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}
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