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handle_2_alternative_types_in_variant_container

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sowle 2020-04-25 17:22:34 +03:00
parent 898d6c7f2d
commit 3883c598e5
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1 changed files with 22 additions and 0 deletions
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22
src/currency_core/currency_format_utils_abstract.h
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@ -107,6 +107,28 @@ namespace currency
return false;
}
//---------------------------------------------------------------
template <typename A, typename B, typename container_t, typename callback_t>
bool handle_2_alternative_types_in_variant_container(const container_t& container, callback_t& cb)
{
bool found = false;
for (auto& item : container)
{
if (item.type() == typeid(A))
{
found = true;
if (!cb(boost::get<A>(item)))
break;
}
else if (item.type() == typeid(B))
{
found = true;
if (!cb(boost::get<A>(item)))
break;
}
}
return found;
}
//---------------------------------------------------------------
template<typename variant_container_t>
bool check_allowed_types_in_variant_container(const variant_container_t& container, const std::unordered_set<std::type_index>& allowed_types, bool elements_must_be_unique = true)
{