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#ifndef CERT_TRANS_UTIL_COMPARE_H_
#define CERT_TRANS_UTIL_COMPARE_H_
#include <ctype.h>
#include <algorithm>
#include <string>
namespace cert_trans {
template <class T>
struct ci_less;
template <>
struct ci_less<int> {
bool operator()(int lhs, int rhs) const {
return tolower(lhs) < tolower(rhs);
}
};
template <>
struct ci_less<std::string> {
bool operator()(const std::string& lhs, const std::string& rhs) const {
return std::lexicographical_compare(lhs.begin(), lhs.end(), rhs.begin(),
rhs.end(), ci_less<int>());
}
};
} // namespace cert_trans
#endif // CERT_TRANS_UTIL_COMPARE_H_
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