Core/Console: Add CountOf function

Former-commit-id: 8ea1456bc8debae102ca616176febb15d3759d17
This commit is contained in:
Lynix 2016-01-07 13:33:26 +01:00
parent b9ec4a4fc4
commit adf5946711
2 changed files with 14 additions and 0 deletions

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@ -23,6 +23,8 @@ namespace Nz
template<typename O, typename F, typename Tuple> auto Apply(O& object, F&& fn, Tuple&& t); template<typename O, typename F, typename Tuple> auto Apply(O& object, F&& fn, Tuple&& t);
template<typename T> ByteArray ComputeHash(HashType hash, const T& v); template<typename T> ByteArray ComputeHash(HashType hash, const T& v);
template<typename T> ByteArray ComputeHash(AbstractHash* hash, const T& v); template<typename T> ByteArray ComputeHash(AbstractHash* hash, const T& v);
template<typename T, std::size_t N> constexpr std::size_t CountOf(T(&name)[N]) noexcept;
template<typename T> std::size_t CountOf(const T& c);
template<typename T> void HashCombine(std::size_t& seed, const T& v); template<typename T> void HashCombine(std::size_t& seed, const T& v);
template<typename T> template<typename T>

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@ -62,6 +62,18 @@ namespace Nz
return hash->End(); return hash->End();
} }
template<typename T, std::size_t N>
constexpr std::size_t CountOf(T(&name)[N]) noexcept
{
return N;
}
template<typename T>
std::size_t CountOf(const T& c)
{
return c.size();
}
// Algorithme venant de CityHash par Google // Algorithme venant de CityHash par Google
// http://stackoverflow.com/questions/8513911/how-to-create-a-good-hash-combine-with-64-bit-output-inspired-by-boosthash-co // http://stackoverflow.com/questions/8513911/how-to-create-a-good-hash-combine-with-64-bit-output-inspired-by-boosthash-co
template<typename T> template<typename T>