3198 struct CowArray(SP=GcPolicy)  struct
3205         CowArray cow;  in reuse()  argument
3226         immutable len = walkLength(range.save);
3231     this(this)  in this()
3239     ~this()  in ~this()
3252     @property bool empty() const { return data.length == 0; }  in empty()
3255     @property size_t length() const  in length()
3261     @property void length(size_t len)  in length()
3297     alias opDollar = length;
3299     uint opIndex()(size_t idx)const  in opIndex()
3304     void opIndexAssign(uint val, size_t idx)  in opIndexAssign()
3313     auto opSlice(size_t from, size_t to)  in opSlice()
3326     auto opSlice(size_t from, size_t to) const  in opSlice()
3332     auto opSlice()  in opSlice()
3357     bool opEquals()(auto const ref CowArray rhs)const  in opEquals()  argument
3366     @property uint refCount() const  in refCount()
3371     @property void refCount(uint cnt)  in refCount()
3376     void freeThisReference()  in freeThisReference()
3390     void dupThisReference(uint count)  in dupThisReference()
3401         auto new_data = SP.alloc!uint(data.length);