adaptor/auto_expander.hpp
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#pragma once
#include <functional>
#include <optional>
#include <cassert>
#include "internal/dev_env.hpp"
#include "internal/types.hpp"
namespace uni {
template<class Container>
struct auto_expander : Container {
using size_type = Container::size_type;
public:
template<class... Args>
explicit auto_expander(Args&&... args) noexcept(NO_EXCEPT) : Container(std::forward<Args>(args)...) {}
inline auto& operator[](const size_type pos) noexcept(NO_EXCEPT) {
if(this->size() <= pos) this->Container::resize(pos + 1);
return this->Container::operator[](pos);
}
};
}
#line 2 "adaptor/auto_expander.hpp"
#include <functional>
#include <optional>
#include <cassert>
#line 2 "internal/dev_env.hpp"
#ifdef LOCAL_JUDGE
inline constexpr bool DEV_ENV = true;
inline constexpr bool NO_EXCEPT = false;
#else
inline constexpr bool DEV_ENV = false;
inline constexpr bool NO_EXCEPT = true;
#endif // LOCAL_JUDGE
#if __cplusplus >= 202100L
#define CPP20 true
#define CPP23 true
#elif __cplusplus >= 202002L
#define CPP20 true
#define CPP23 false
#else
#define CPP20 false
#define CPP23 false
#endif
#line 2 "internal/types.hpp"
#include <cstdint>
namespace uni {
namespace internal {
using size_t = std::int64_t;
using int128_t = __int128_t;
using uint128_t = __uint128_t;
} // namesapce internal
} // namespace uni
#line 11 "adaptor/auto_expander.hpp"
namespace uni {
template<class Container>
struct auto_expander : Container {
using size_type = Container::size_type;
public:
template<class... Args>
explicit auto_expander(Args&&... args) noexcept(NO_EXCEPT) : Container(std::forward<Args>(args)...) {}
inline auto& operator[](const size_type pos) noexcept(NO_EXCEPT) {
if(this->size() <= pos) this->Container::resize(pos + 1);
return this->Container::operator[](pos);
}
};
}
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