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#ifndef WANDA_ENVIRONMENT_HPP
#define WANDA_ENVIRONMENT_HPP
#include <unistd.h>
#include <map>
#include <string>
namespace wanda
{
struct environment
{
using map_type = std::map<std::string, std::string>;
using iterator = map_type::iterator;
using const_iterator = map_type::const_iterator;
using reference = map_type::reference;
using const_reference = map_type::const_reference;
explicit environment(char const *const *env = ::environ);
std::string &operator[](std::string const &variable);
std::string const &operator[](std::string const &variable) const;
iterator begin();
const_iterator begin() const;
const_iterator cbegin() const;
iterator end();
const_iterator end() const;
const_iterator cend() const;
private:
map_type m_cache{};
};
} // namespace wanda
#endif
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