doc code comments for dest.go
doc code comments for dest.go

couchbaselabs/cbft,couchbaselabs/cbgt,nimishzynga/cbgt,nimishzynga/cbgt,couchbaselabs/cbft,couchbaselabs/cbft,couchbaselabs/cbgt,couchbaselabs/cbgt,nimishzynga/cbgt,couchbaselabs/cbft,nimishzynga/cbgt,couchbaselabs/cbgt