supports_transparency.hpp

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#pragma once
 
#include <concepts>
 
namespace porytiles {
 
template <typename T>
concept SupportsTransparency = requires(const T &t) {
    { t.is_transparent() } -> std::convertible_to<bool>;
} || requires(const T &t) {
    { t.is_transparent(t) } -> std::convertible_to<bool>;
};
} // namespace porytiles