intermediate changes

ref:cde9a383711a11544ce7e107a78147fb96cc4029

1 files changed, 93 insertions, 0 deletions

diff --git a/library/cpp/yt/yson_string/string-inl.h b/library/cpp/yt/yson_string/string-inl.h
new file mode 100644
index 0000000000..5c41629cc0
--- /dev/null
+++ b/library/cpp/yt/yson_string/string-inl.h
@@ -0,0 +1,93 @@
+#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
+
+namespace NYT::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 TYsonString& lhs, const TYsonString& rhs)
+{
+    return NDetail::Equals(lhs, rhs);
+}
+
+inline bool operator == (const TYsonString& lhs, const TYsonStringBuf& rhs)
+{
+    return NDetail::Equals(lhs, rhs);
+}
+
+inline bool operator == (const TYsonStringBuf& lhs, const TYsonString& rhs)
+{
+    return NDetail::Equals(lhs, rhs);
+}
+
+inline bool operator == (const TYsonStringBuf& lhs, const TYsonStringBuf& rhs)
+{
+    return NDetail::Equals(lhs, rhs);
+}
+
+inline bool operator != (const TYsonString& lhs, const TYsonString& rhs)
+{
+    return !(lhs == rhs);
+}
+
+inline bool operator != (const TYsonString& lhs, const TYsonStringBuf& rhs)
+{
+    return !(lhs == rhs);
+}
+
+inline bool operator != (const TYsonStringBuf& lhs, const TYsonString& rhs)
+{
+    return !(lhs == rhs);
+}
+
+inline bool operator != (const TYsonStringBuf& lhs, const TYsonStringBuf& rhs)
+{
+    return !(lhs == rhs);
+}
+
+////////////////////////////////////////////////////////////////////////////////
+
+} // namespace NYT::NYson
+
+//! A hasher for TYsonString
+template <>
+struct THash<NYT::NYson::TYsonString>
+{
+    size_t operator () (const NYT::NYson::TYsonString& str) const
+    {
+        return str.ComputeHash();
+    }
+};
+
+//! A hasher for TYsonStringBuf
+template <>
+struct THash<NYT::NYson::TYsonStringBuf>
+{
+    size_t operator () (const NYT::NYson::TYsonStringBuf& str) const
+    {
+        return THash<TStringBuf>()(str.AsStringBuf());
+    }
+};