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Remove hash functions.

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This commit is contained in:
chriseth 2022-06-07 11:02:18 +02:00
parent 0e06440153
commit 27261f6703
1 changed files with 0 additions and 52 deletions
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52
libsolutil/LP.h
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@ -139,58 +139,6 @@ struct RationalWithDelta
}
template <class T>
inline void hashCombine(std::size_t& _seed, T const& _v)
{
std::hash<T> hasher;
_seed ^= hasher(_v) + 0x9e3779b9 + (_seed << 6) + (_seed >> 2);
}
template <class T>
inline void hashCombineVector(std::size_t& _seed, std::vector<T> const& _v)
{
hashCombine(_seed, _v.size());
for (auto const& x: _v)
hashCombine(_seed, x);
}
template<>
struct std::hash<solidity::util::RationalWithDelta>
{
std::size_t operator()(solidity::util::RationalWithDelta const& _x) const noexcept
{
std::size_t result = 0;
hashCombine(result, _x.m_main);
hashCombine(result, _x.m_delta);
return result;
}
};
template<>
struct std::hash<solidity::util::LinearExpression>
{
std::size_t operator()(solidity::util::LinearExpression const& _linearExpression) const noexcept
{
std::size_t result = 0;
hashCombine(result, _linearExpression.size());
for (auto const& x: _linearExpression.enumerate())
hashCombine(result, x.second);
return result;
}
};
template<>
struct std::hash<solidity::util::Constraint>
{
std::size_t operator()(solidity::util::Constraint const& _constraint) const noexcept
{
std::size_t result = 0;
hashCombine(result, _constraint.kind);
hashCombine(result, _constraint.data);
return result;
}
};
namespace solidity::util
{