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#pragma once
#include <util/generic/fwd.h>
#include <util/generic/ptr.h>
class TGetOpt {
public:
class TIterator {
friend class TGetOpt;
public:
char Key() const noexcept;
const char* Arg() const noexcept;
inline bool HaveArg() const noexcept {
return Arg();
}
inline void operator++() {
Next();
}
inline bool operator==(const TIterator& r) const noexcept {
return AtEnd() == r.AtEnd();
}
inline bool operator!=(const TIterator& r) const noexcept {
return !(*this == r);
}
inline TIterator& operator*() noexcept {
return *this;
}
inline const TIterator& operator*() const noexcept {
return *this;
}
inline TIterator* operator->() noexcept {
return this;
}
inline const TIterator* operator->() const noexcept {
return this;
}
private:
TIterator() noexcept;
TIterator(const TGetOpt* parent);
void Next();
bool AtEnd() const noexcept;
private:
class TIterImpl;
TSimpleIntrusivePtr<TIterImpl> Impl_;
};
TGetOpt(int argc, const char* const* argv, const TString& format);
inline TIterator Begin() const {
return TIterator(this);
}
inline TIterator End() const noexcept {
return TIterator();
}
private:
class TImpl;
TSimpleIntrusivePtr<TImpl> Impl_;
};
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