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add from_json support for std::array

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Théo DELRIEU 2017-06-19 12:03:38 +02:00
parent 6e4910d5c5
commit 08d781058c
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GPG key ID: C64D5E244E08ADC6
2 changed files with 16 additions and 3 deletions
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11
src/json.hpp
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@ -1063,6 +1063,15 @@ auto from_json_array_impl(const BasicJsonType& j, CompatibleArrayType& arr, prio
});
}
template <typename BasicJsonType, typename T, std::size_t N>
void from_json_array_impl(const BasicJsonType& j, std::array<T, N>& arr, priority_tag<2>)
{
for (std::size_t i = 0; i < N; ++i)
{
arr[i] = j.at(i).template get<T>();
}
}
template<typename BasicJsonType, typename CompatibleArrayType,
enable_if_t<is_compatible_array_type<BasicJsonType, CompatibleArrayType>::value and
std::is_convertible<BasicJsonType, typename CompatibleArrayType::value_type>::value and
@ -1074,7 +1083,7 @@ void from_json(const BasicJsonType& j, CompatibleArrayType& arr)
JSON_THROW(type_error::create(302, "type must be array, but is " + j.type_name()));
}
from_json_array_impl(j, arr, priority_tag<1> {});
from_json_array_impl(j, arr, priority_tag<2> {});
}
template<typename BasicJsonType, typename CompatibleObjectType,