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hecl/hecl: Mark Hash interface as noexcept

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These are utilized within some hash implementations, which shouldn't
throw, so these member functions can be marked as noexcept.
This commit is contained in:
Lioncash 2019-08-24 02:52:24 -04:00
parent 09fe937bc3
commit e127fed0fd
1 changed files with 26 additions and 26 deletions
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52
hecl/include/hecl/hecl.hpp
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@ -437,36 +437,36 @@ protected:
uint64_t hash = 0; uint64_t hash = 0;
public: public:
constexpr Hash() = default; constexpr Hash() noexcept = default;
constexpr Hash(const Hash&) = default; constexpr Hash(const Hash&) noexcept = default;
constexpr Hash(Hash&&) noexcept = default; constexpr Hash(Hash&&) noexcept = default;
constexpr Hash(uint64_t hashin) : hash(hashin) {} constexpr Hash(uint64_t hashin) noexcept : hash(hashin) {}
explicit Hash(const void* buf, size_t len) : hash(XXH64((uint8_t*)buf, len, 0)) {} explicit Hash(const void* buf, size_t len) noexcept : hash(XXH64((uint8_t*)buf, len, 0)) {}
explicit Hash(std::string_view str) : hash(XXH64((uint8_t*)str.data(), str.size(), 0)) {} explicit Hash(std::string_view str) noexcept : hash(XXH64((uint8_t*)str.data(), str.size(), 0)) {}
explicit Hash(std::wstring_view str) : hash(XXH64((uint8_t*)str.data(), str.size() * 2, 0)) {} explicit Hash(std::wstring_view str) noexcept : hash(XXH64((uint8_t*)str.data(), str.size() * 2, 0)) {}
constexpr uint32_t val32() const { return uint32_t(hash) ^ uint32_t(hash >> 32); } constexpr uint32_t val32() const noexcept { return uint32_t(hash) ^ uint32_t(hash >> 32); }
constexpr uint64_t val64() const { return uint64_t(hash); } constexpr uint64_t val64() const noexcept { return uint64_t(hash); }
constexpr size_t valSizeT() const { return size_t(hash); } constexpr size_t valSizeT() const noexcept { return size_t(hash); }
template <typename T> template <typename T>
constexpr T valT() const; constexpr T valT() const noexcept;
constexpr Hash& operator=(const Hash& other) = default; constexpr Hash& operator=(const Hash& other) noexcept = default;
constexpr Hash& operator=(Hash&& other) noexcept = default; constexpr Hash& operator=(Hash&& other) noexcept = default;
constexpr bool operator==(const Hash& other) const { return hash == other.hash; } constexpr bool operator==(const Hash& other) const noexcept { return hash == other.hash; }
constexpr bool operator!=(const Hash& other) const { return hash != other.hash; } constexpr bool operator!=(const Hash& other) const noexcept { return !operator==(other); }
constexpr bool operator<(const Hash& other) const { return hash < other.hash; } constexpr bool operator<(const Hash& other) const noexcept { return hash < other.hash; }
constexpr bool operator>(const Hash& other) const { return hash > other.hash; } constexpr bool operator>(const Hash& other) const noexcept { return hash > other.hash; }
constexpr bool operator<=(const Hash& other) const { return hash <= other.hash; } constexpr bool operator<=(const Hash& other) const noexcept { return hash <= other.hash; }
constexpr bool operator>=(const Hash& other) const { return hash >= other.hash; } constexpr bool operator>=(const Hash& other) const noexcept { return hash >= other.hash; }
constexpr explicit operator bool() const { return hash != 0; } constexpr explicit operator bool() const noexcept { return hash != 0; }
}; };
template <> template <>
constexpr uint32_t Hash::valT<uint32_t>() const { constexpr uint32_t Hash::valT<uint32_t>() const noexcept {
return val32(); return val32();
} }
template <> template <>
constexpr uint64_t Hash::valT<uint64_t>() const { constexpr uint64_t Hash::valT<uint64_t>() const noexcept {
return val64(); return val64();
} }
@ -619,9 +619,9 @@ public:
* @brief HECL-specific xxhash * @brief HECL-specific xxhash
* @return unique hash value * @return unique hash value
*/ */
Hash hash() const { return m_hash; } Hash hash() const noexcept { return m_hash; }
bool operator==(const ProjectRootPath& other) const { return m_hash == other.m_hash; } bool operator==(const ProjectRootPath& other) const noexcept { return m_hash == other.m_hash; }
bool operator!=(const ProjectRootPath& other) const { return m_hash != other.m_hash; } bool operator!=(const ProjectRootPath& other) const noexcept { return !operator==(other); }
/** /**
* @brief Obtain c-string of final path component * @brief Obtain c-string of final path component
@ -1052,9 +1052,9 @@ public:
* @brief HECL-specific xxhash * @brief HECL-specific xxhash
* @return unique hash value * @return unique hash value
*/ */
Hash hash() const { return m_hash; } Hash hash() const noexcept { return m_hash; }
bool operator==(const ProjectPath& other) const { return m_hash == other.m_hash; } bool operator==(const ProjectPath& other) const noexcept { return m_hash == other.m_hash; }
bool operator!=(const ProjectPath& other) const { return m_hash != other.m_hash; } bool operator!=(const ProjectPath& other) const noexcept { return !operator==(other); }
}; };
/** /**