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clean-up

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This commit is contained in:
neargye 2019-03-21 11:56:59 +05:00
parent c25c0b607e
commit c015859ddb
1 changed files with 24 additions and 19 deletions
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43
include/nameof.hpp
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@ -36,7 +36,7 @@
#include <string_view>
#if !defined(NAMEOF_ENUM_MAX_SEARCH_DEPTH)
# define NAMEOF_ENUM_MAX_SEARCH_DEPTH 64
# define NAMEOF_ENUM_MAX_SEARCH_DEPTH 256
#endif
namespace nameof {
@ -154,29 +154,34 @@ constexpr std::string_view nameof_enum_impl() {
template <typename T, int I>
struct nameof_enum_t {
constexpr std::string_view operator()(int value) const {
return (value - I == 0)
? nameof_enum_impl<T, T(I)>()
: (value - I == 1)
? nameof_enum_impl<T, T(I + 1)>()
: (value - I == 2)
? nameof_enum_impl<T, T(I + 2)>()
: (value - I == 3)
? nameof_enum_impl<T, T(I + 3)>()
: (value - I == 4)
? nameof_enum_impl<T, T(I + 4)>()
: (value - I == 5)
? nameof_enum_impl<T, T(I + 5)>()
: (value - I == 6)
? nameof_enum_impl<T, T(I + 6)>()
: (value - I == 7)
? nameof_enum_impl<T, T(I + 7)>()
: nameof_enum_t<T, I + 8>{}(value);
switch (value - I) {
case 0:
return nameof_enum_impl<T, T{I}>();
case 1:
return nameof_enum_impl<T, T{I + 1}>();
case 2:
return nameof_enum_impl<T, T{I + 2}>();
case 3:
return nameof_enum_impl<T, T{I + 3}>();
case 4:
return nameof_enum_impl<T, T{I + 4}>();
case 5:
return nameof_enum_impl<T, T{I + 5}>();
case 6:
return nameof_enum_impl<T, T{I + 6}>();
case 7:
return nameof_enum_impl<T, T{I + 7}>();
default:
return nameof_enum_t<T, I + 8>{}(value);
}
}
};
template <typename T>
struct nameof_enum_t<T, NAMEOF_ENUM_MAX_SEARCH_DEPTH> {
constexpr std::string_view operator()(int) const { return {"nameof_enum::out_of_range"}; }
constexpr std::string_view operator()(int) const {
return { "nameof_enum::out_of_range" };
}
};
constexpr std::string_view nameof_type_impl_(std::string_view name) {