File: explicit-class-specialization.h

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#ifndef TEST_INTEROP_CXX_TEMPLATES_INPUTS_EXPLICIT_CLASS_SPECIALIZATION_H
#define TEST_INTEROP_CXX_TEMPLATES_INPUTS_EXPLICIT_CLASS_SPECIALIZATION_H

struct SpecializedIntWrapper {
  int value;
  int getValue() const { return value; }
};

struct NonSpecializedIntWrapper {
  int value;
  int getValue() const { return value; }
};

template <class T>
struct MagicWrapper {
  T t;
  int doubleIfSpecializedElseTriple() const { return 3 * t.getValue(); }
};

template <>
struct MagicWrapper<SpecializedIntWrapper> {
  SpecializedIntWrapper t;
  int doubleIfSpecializedElseTriple() const { return 2 * t.getValue(); }
};

typedef MagicWrapper<SpecializedIntWrapper> WrapperWithSpecialization;
typedef MagicWrapper<NonSpecializedIntWrapper> WrapperWithoutSpecialization;

// Make sure these declarations don't cause a crash even though we can't import
// them.

template <class...> class HasSpecializations;

template <> class HasSpecializations<> {
  int value;
  struct Child {};
  enum Maybe : int { No, Yes };
};

template <> class HasSpecializations<int> {
  int value;
  struct Child {};
  enum Maybe : int { No, Yes };
};

template <> class HasSpecializations<int, int> {
  int value;
  struct Child {};
  enum Maybe : int { No, Yes };
};

template <class T> class HasSpecializations<T, int> {
  int value;
  struct Child {};
  enum Maybe : int { No, Yes };
};

template <class T, class... Ts> class HasSpecializations<int, T, Ts...> {
  int value;
  struct Child {};
  enum Maybe : int { No, Yes };
};

template <class>
struct HasEmptySpecializationAndStaticDateMember {
  inline static const bool value = false;
};

template <>
struct HasEmptySpecializationAndStaticDateMember<char> {
  inline static const bool value = true;
};

using HasEmptySpecializationAndStaticDateMemberInt = HasEmptySpecializationAndStaticDateMember<int>;

#endif // TEST_INTEROP_CXX_TEMPLATES_INPUTS_EXPLICIT_CLASS_SPECIALIZATION_H