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#include "DataFormats/Provenance/interface/ProductID.h"
#include <ostream>
#include <algorithm>
namespace edm {
std::ostream& operator<<(std::ostream& os, ProductID const& id) {
os << id.processIndex() << ":" << id.productIndex();
return os;
}
bool operator<(ProductID const& lh, ProductID const& rh) {
return lh.processIndex() < rh.processIndex() ||
(lh.processIndex() == rh.processIndex() && lh.productIndex() < rh.productIndex());
}
void ProductID::swap(ProductID& other) {
std::swap(processIndex_, other.processIndex_);
std::swap(productIndex_, other.productIndex_);
}
} // namespace edm
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