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Fix 'const' qualifier on bool& has no effect (#3678)

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* Fix 'const' qualifier on bool& has no effect

Thanks, @georgthegreat, for pointing out this issue.

* Extend std::vector<bool> unit test
This commit is contained in:
Florian Albrechtskirchinger
2022-08-07 13:50:08 +02:00
committed by GitHub
parent bfbe774d8f
commit f1e34070d2
3 changed files with 28 additions and 7 deletions
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12
single_include/nlohmann/json.hpp
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@ -5500,9 +5500,15 @@ inline void to_json(BasicJsonType& j, T b) noexcept
external_constructor<value_t::boolean>::construct(j, b);
}
template<typename BasicJsonType,
enable_if_t<std::is_convertible<const std::vector<bool>::reference&, typename BasicJsonType::boolean_t>::value, int> = 0>
inline void to_json(BasicJsonType& j, const std::vector<bool>::reference& b) noexcept
template < typename BasicJsonType, typename BoolRef,
enable_if_t <
((std::is_same<std::vector<bool>::reference, BoolRef>::value
&& !std::is_same <std::vector<bool>::reference, typename BasicJsonType::boolean_t&>::value)
|| (std::is_same<std::vector<bool>::const_reference, BoolRef>::value
&& !std::is_same <detail::uncvref_t<std::vector<bool>::const_reference>,
typename BasicJsonType::boolean_t >::value))
&& std::is_convertible<const BoolRef&, typename BasicJsonType::boolean_t>::value, int > = 0 >
inline void to_json(BasicJsonType& j, const BoolRef& b) noexcept
{
external_constructor<value_t::boolean>::construct(j, static_cast<typename BasicJsonType::boolean_t>(b));
}