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Use if constexpr in metaclass visitor functions

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This commit is contained in:
Mat Sutcliffe
2021-04-18 17:50:41 +01:00
parent d7a461ff7a
commit 0ebe21a7cf
7 changed files with 98 additions and 79 deletions
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20
src/blackmisc/simulation/aircraftmodel.cpp
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@@ -125,22 +125,26 @@ namespace BlackMisc
QJsonObject CAircraftModel::toMemoizedJson(MemoHelper::CMemoizer &helper) const
{
QJsonObject json;
constexpr auto meta = introspect<CAircraftModel>().without(MetaFlags<DisabledForJson>());
meta.forEachMember([ &, this ](auto member)
introspect<CAircraftModel>().forEachMember([ &, this ](auto member)
{
auto &&maybeMemo = helper.maybeMemoize(member.in(*this));
json << std::make_pair(CExplicitLatin1String(member.latin1Name()), std::cref(maybeMemo));
if constexpr (!decltype(member)::has(MetaFlags<DisabledForJson>()))
{
auto &&maybeMemo = helper.maybeMemoize(member.in(*this));
json << std::make_pair(CExplicitLatin1String(member.latin1Name()), std::cref(maybeMemo));
}
});
return json;
}
void CAircraftModel::convertFromMemoizedJson(const QJsonObject &json, const MemoHelper::CUnmemoizer &helper)
{
constexpr auto meta = introspect<CAircraftModel>().without(MetaFlags<DisabledForJson>());
meta.forEachMember([ &, this ](auto member)
introspect<CAircraftModel>().forEachMember([ &, this ](auto member)
{
auto it = json.find(CExplicitLatin1String(member.latin1Name()));
if (it != json.end()) { it.value() >> helper.maybeUnmemoize(member.in(*this)).get(); }
if constexpr (!decltype(member)::has(MetaFlags<DisabledForJson>()))
{
auto it = json.find(CExplicitLatin1String(member.latin1Name()));
if (it != json.end()) { it.value() >> helper.maybeUnmemoize(member.in(*this)).get(); }
}
});
}