algorithm.hpp

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#pragma once
 
#include <algorithm>
 
namespace rsl {
 
template <typename Collection>
[[nodiscard]] auto contains(Collection const& collection,
                            typename Collection::const_reference value) {
    return std::find(collection.cbegin(), collection.cend(), value) != collection.cend();
}
 
template <typename Collection>
[[nodiscard]] auto is_unique(Collection collection) {
    std::sort(collection.begin(), collection.end());
    return std::adjacent_find(collection.cbegin(), collection.cend()) == collection.cend();
}
 
}  // namespace rsl