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#pragma once 
 
#ifndef STRING_INL_H_ 
#error "Direct inclusion of this file is not allowed, include string.h" 
// For the sake of sane code completion. 
#include "string.h" 
#endif 
 
#include <util/str_stl.h> 
 
namespace NYson { 
 
//////////////////////////////////////////////////////////////////////////////// 
 
namespace NDetail { 
 
template <typename TLeft, typename TRight> 
bool Equals(const TLeft& lhs, const TRight& rhs) 
{ 
    auto lhsNull = !lhs.operator bool(); 
    auto rhsNull = !rhs.operator bool(); 
    if (lhsNull != rhsNull) { 
        return false; 
    } 
    if (lhsNull && rhsNull) { 
        return true; 
    } 
    return 
        lhs.AsStringBuf() == rhs.AsStringBuf() && 
        lhs.GetType() == rhs.GetType(); 
} 
 
} // namespace NDetail 
 
inline bool operator == (const TYsonStringBuf& lhs, const TYsonStringBuf& rhs) 
{ 
    return NDetail::Equals(lhs, rhs); 
} 
 
inline bool operator != (const TYsonStringBuf& lhs, const TYsonStringBuf& rhs) 
{ 
    return !(lhs == rhs); 
} 
 
//////////////////////////////////////////////////////////////////////////////// 
 
} // namespace NYson 
 
//! A hasher for TYsonStringBuf 
template <> 
struct THash<NYson::TYsonStringBuf> 
{ 
    size_t operator () (const NYson::TYsonStringBuf& str) const 
    { 
        return THash<TStringBuf>()(str.AsStringBuf()); 
    } 
};