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Make MOCK_SIGNATURE macro shorter

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Put most of it into a template-alias as this may turn up in error messages
This commit is contained in:
Alexander Grund 2022-01-25 18:46:18 +01:00
parent c00b03de44
commit 0c20ca1ce9
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1 changed files with 7 additions and 6 deletions
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13
include/turtle/detail/signature.hpp
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@ -54,21 +54,22 @@ namespace mock { namespace detail {
struct signature<Sig(C::*)> : signature<typename strip_function_qualifiers<Sig>::type> struct signature<Sig(C::*)> : signature<typename strip_function_qualifiers<Sig>::type>
{}; {};
template<typename M>
using signature_t = typename signature<std::remove_cv_t<std::remove_reference_t<M>>>::type;
template<typename T> template<typename T>
struct base struct base
{ {
typedef T base_type; typedef T base_type;
}; };
// if an error is generated by the line below it means // if an error is generated by the line below it means the method is ambiguous:
// the method is ambiguous : specify its signature to // specify its signature to disambiguate
// disambiguate
template<typename T> template<typename T>
T& ambiguous_method_requires_to_specify_signature(const T&); T& ambiguous_method_requires_to_specify_signature(const T&);
}} // namespace mock::detail }} // namespace mock::detail
#define MOCK_SIGNATURE(M) \ #define MOCK_SIGNATURE(M) \
mock::detail::signature<std::remove_cv_t<std::remove_reference_t<decltype( \ mock::detail::signature_t<decltype(mock::detail::ambiguous_method_requires_to_specify_signature(&base_type::M))>
mock::detail::ambiguous_method_requires_to_specify_signature(&base_type::M))>>>::type
#endif // MOCK_SIGNATURE_HPP_INCLUDED #endif // MOCK_SIGNATURE_HPP_INCLUDED