#pragma once

#include <string>
#include <vector>

namespace functions {

[[nodiscard]] auto square(int value) -> int;
void swap_integers(int& lhs, int& rhs);
[[nodiscard]] auto concatenate(const std::vector<std::string>& parts) -> std::string;
void append_suffix(std::string& text, const std::string& suffix);

}  // namespace functions