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Simplify traits.

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This commit is contained in:
Victor Zverovich 2013-01-13 09:41:14 -08:00
parent 2ca696d4df
commit 07ad14efdb
1 changed files with 4 additions and 13 deletions
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17
format.h
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@ -120,7 +120,10 @@ void Array<T, SIZE>::append(const T *begin, const T *end) {
// IntTraits is not specialized for integer types smaller than int, // IntTraits is not specialized for integer types smaller than int,
// since these are promoted to int. // since these are promoted to int.
template <typename T> template <typename T>
struct IntTraits {}; struct IntTraits {
typedef T UnsignedType;
static bool IsNegative(T) { return false; }
};
template <typename T, typename UnsignedT> template <typename T, typename UnsignedT>
struct SignedIntTraits { struct SignedIntTraits {
@ -128,24 +131,12 @@ struct SignedIntTraits {
static bool IsNegative(T value) { return value < 0; } static bool IsNegative(T value) { return value < 0; }
}; };
template <typename T>
struct UnsignedIntTraits {
typedef T UnsignedType;
static bool IsNegative(T) { return false; }
};
template <> template <>
struct IntTraits<int> : SignedIntTraits<int, unsigned> {}; struct IntTraits<int> : SignedIntTraits<int, unsigned> {};
template <>
struct IntTraits<unsigned> : UnsignedIntTraits<unsigned> {};
template <> template <>
struct IntTraits<long> : SignedIntTraits<long, unsigned long> {}; struct IntTraits<long> : SignedIntTraits<long, unsigned long> {};
template <>
struct IntTraits<unsigned long> : UnsignedIntTraits<unsigned long> {};
class ArgInserter; class ArgInserter;
class FormatterProxy; class FormatterProxy;
} }