#ifndef EXIV2_UTILS_HPP

#define EXIV2_UTILS_HPP

#include <string>

#include <string_view>

namespace Exiv2::Internal {

constexpr bool contains(std::string_view s, auto c) {

#ifdef __cpp_lib_string_contains

  return s.contains(c);

#else

  return s.find(c) != std::string_view::npos;

#endif

}

bool Exiv2::Internal::contains<char const*>(std::__1::basic_string_view<char, std::__1::char_traits<char> >, char const*)

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constexpr bool contains(std::string_view s, auto c) {

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#ifdef __cpp_lib_string_contains

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  return s.contains(c);

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#else

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  return s.find(c) != std::string_view::npos;

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#endif

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}

Unexecuted instantiation: bool Exiv2::Internal::contains<char>(std::__1::basic_string_view<char, std::__1::char_traits<char> >, char)

Unexecuted instantiation: bool Exiv2::Internal::contains<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > >(std::__1::basic_string_view<char, std::__1::char_traits<char> >, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >)

/// @brief Returns the uppercase version of \b str

std::string upper(std::string_view str);

/// @brief Returns the lowercase version of \b str

std::string lower(std::string_view a);

}  // namespace Exiv2::Internal

#endif  // EXIV2_UTILS_HPP