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Added utility type to convert variant members via std::visit.

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This commit is contained in:
Patrick 2025-07-12 12:50:10 +02:00
parent 042e0d2465
commit 79f49829d3
1 changed files with 12 additions and 0 deletions
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12
source/mijin/util/variant.hpp
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@ -4,6 +4,7 @@
#if !defined(MIJIN_UTIL_VARIANT_HPP_INCLUDED)
#define MIJIN_UTIL_VARIANT_HPP_INCLUDED 1
#include <utility>
#include <variant>
#include "./traits.hpp"
@ -23,10 +24,21 @@ inline constexpr bool variant_contains_v<TSearch, std::variant<TVariantTypes...>
//
// public types
//
template<typename... TCallable>
struct Visitor : TCallable ...
{
using TCallable::operator()...;
};
template<typename TRet>
struct CastTo
{
template<typename T>
TRet operator()(T&& arg) const
{
return static_cast<TRet>(std::forward<T>(arg));
}
};
}
#endif // !defined(MIJIN_UTIL_VARIANT_HPP_INCLUDED)