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Replace internal::get with std::declval
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53cf073561
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@ -1046,9 +1046,6 @@ struct null {};
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typedef char yes[1];
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typedef char yes[1];
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typedef char no[2];
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typedef char no[2];
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template <typename T>
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T &get();
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yes &convert(unsigned long long);
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yes &convert(unsigned long long);
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no &convert(...);
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no &convert(...);
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@ -1073,7 +1070,9 @@ struct convert_to_int_impl2<T, true> {
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template<typename T>
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template<typename T>
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struct convert_to_int {
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struct convert_to_int {
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enum { enable_conversion = sizeof(convert(get<T>())) == sizeof(yes) };
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enum {
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enable_conversion = sizeof(convert(std::declval<T>())) == sizeof(yes)
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};
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enum { value = convert_to_int_impl2<T, enable_conversion>::value };
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enum { value = convert_to_int_impl2<T, enable_conversion>::value };
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};
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};
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@ -63,7 +63,8 @@ template<typename T>
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struct convert_to_int_impl<T, true> {
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struct convert_to_int_impl<T, true> {
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// Convert to int only if T doesn't have an overloaded operator<<.
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// Convert to int only if T doesn't have an overloaded operator<<.
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enum {
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enum {
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value = sizeof(convert(get<DummyStream>() << get<T>())) == sizeof(no)
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value = sizeof(convert(std::declval<DummyStream&>() << std::declval<T>()))
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== sizeof(no)
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};
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};
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};
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};
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