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Niels Lohmann committed 2023-11-29 18:01:57 +01:00
1 parent 9cca280a4d
commit 311ad0b877
123 files changed
+17729 -15754
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include/nlohmann/detail/hash.hpp
+15 -16
View File
@@ -8,16 +8,15 @@
#pragma once
#include <cstdint> // uint8_t
#include <cstddef> // size_t
#include <functional> // hash
#include <cstddef> // size_t
#include <cstdint> // uint8_t
#include <functional> // hash
#include <nlohmann/detail/abi_macros.hpp>
#include <nlohmann/detail/value_t.hpp>
NLOHMANN_JSON_NAMESPACE_BEGIN
namespace detail
{
namespace detail {
// boost::hash_combine
inline std::size_t combine(std::size_t seed, std::size_t h) noexcept
@@ -59,7 +58,7 @@ std::size_t hash(const BasicJsonType& j)
auto seed = combine(type, j.size());
for (const auto& element : j.items())
{
const auto h = std::hash<string_t> {}(element.key());
const auto h = std::hash<string_t>{}(element.key());
seed = combine(seed, h);
seed = combine(seed, hash(element.value()));
}
@@ -78,50 +77,50 @@ std::size_t hash(const BasicJsonType& j)
case BasicJsonType::value_t::string:
{
const auto h = std::hash<string_t> {}(j.template get_ref<const string_t&>());
const auto h = std::hash<string_t>{}(j.template get_ref<const string_t&>());
return combine(type, h);
}
case BasicJsonType::value_t::boolean:
{
const auto h = std::hash<bool> {}(j.template get<bool>());
const auto h = std::hash<bool>{}(j.template get<bool>());
return combine(type, h);
}
case BasicJsonType::value_t::number_integer:
{
const auto h = std::hash<number_integer_t> {}(j.template get<number_integer_t>());
const auto h = std::hash<number_integer_t>{}(j.template get<number_integer_t>());
return combine(type, h);
}
case BasicJsonType::value_t::number_unsigned:
{
const auto h = std::hash<number_unsigned_t> {}(j.template get<number_unsigned_t>());
const auto h = std::hash<number_unsigned_t>{}(j.template get<number_unsigned_t>());
return combine(type, h);
}
case BasicJsonType::value_t::number_float:
{
const auto h = std::hash<number_float_t> {}(j.template get<number_float_t>());
const auto h = std::hash<number_float_t>{}(j.template get<number_float_t>());
return combine(type, h);
}
case BasicJsonType::value_t::binary:
{
auto seed = combine(type, j.get_binary().size());
const auto h = std::hash<bool> {}(j.get_binary().has_subtype());
const auto h = std::hash<bool>{}(j.get_binary().has_subtype());
seed = combine(seed, h);
seed = combine(seed, static_cast<std::size_t>(j.get_binary().subtype()));
for (const auto byte : j.get_binary())
{
seed = combine(seed, std::hash<std::uint8_t> {}(byte));
seed = combine(seed, std::hash<std::uint8_t>{}(byte));
}
return seed;
}
default: // LCOV_EXCL_LINE
JSON_ASSERT(false); // NOLINT(cert-dcl03-c,hicpp-static-assert,misc-static-assert) LCOV_EXCL_LINE
return 0; // LCOV_EXCL_LINE
default: // LCOV_EXCL_LINE
JSON_ASSERT(false); // NOLINT(cert-dcl03-c,hicpp-static-assert,misc-static-assert) LCOV_EXCL_LINE
return 0; // LCOV_EXCL_LINE
}
}