#pragma once

#include <string>
#include <variant>
#include <vector>

namespace cpp17 {

using Value = std::variant<int, double, std::string>;

[[nodiscard]] auto variant_to_string(const Value& value) -> std::string;
[[nodiscard]] auto sum_numeric_variants(const std::vector<Value>& values) -> double;
[[nodiscard]] auto is_string(const Value& value) -> bool;

}  // namespace cpp17