• Dsby (10/10) Jun 06 2017 Add COW string

Dsby <dushibaiyu yahoo.com> writes:

     Add COW string
     Rebuild Vector
         Use COW : when is the Value-type and struct don't 
hasElaborateAssign
         Use Deep-Copy : when hasElaborateAssign
         Disable copy: when is Ref-Type and Pointer
     Change async-socket all CallBack to nothrow
     Rm yu.array.IAppder
     add yu.traits.isRefType


https://github.com/dushibaiyu/yu/releases/tag/v0.1.0-b1