[webkit-dev] Custom String class over STL string class
darin at apple.com
Thu Jan 15 10:22:08 PST 2009
On Jan 15, 2009, at 1:48 AM, wei wang wrote:
> Well I have another question on using string in WebKit. std::string
> employs its own memory management policy, but I've found that
> StringImpl uses 'malloc' and 'free' directly. It doesn't use copy-on-
> write strategy, even in its copy constructor. So how is StringImpl's
> performance of memory management compared with std::string.
StringImpl objects are rarely used for strings that will be modified.
They're usually just created and used. I don't know if that answers
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