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-rw-r--r--core/include/fxcrt/fx_string.h10
1 files changed, 8 insertions, 2 deletions
diff --git a/core/include/fxcrt/fx_string.h b/core/include/fxcrt/fx_string.h
index c98a77cfe1..b4d7249209 100644
--- a/core/include/fxcrt/fx_string.h
+++ b/core/include/fxcrt/fx_string.h
@@ -182,7 +182,10 @@ struct CFX_StringData {
FX_STRSIZE m_nAllocLength;
FX_CHAR m_String[1];
};
-class CFX_ByteString
+
+// A mutable string with shared buffers using copy-on-write semantics that
+// avoids the cost of std::string's iterator stability guarantees.
+class CFX_ByteString
{
public:
typedef FX_CHAR value_type;
@@ -595,7 +598,10 @@ struct CFX_StringDataW {
FX_STRSIZE m_nAllocLength;
FX_WCHAR m_String[1];
};
-class CFX_WideString
+
+// A mutable string with shared buffers using copy-on-write semantics that
+// avoids the cost of std::string's iterator stability guarantees.
+class CFX_WideString
{
public:
typedef FX_WCHAR value_type;