func New() *Imp {
//
x := new(Imp)
d := day.New()
x.file = pseq.New(d)
x.dayset = set.New(d)
return x
}
func New(o Object, f ObjectFunc) *Imp {
//
x := new(Imp)
x.object = o.Clone() // TODO type information behind o lost, e.g. Editor
x.file = pseq.New(x.object)
x.f, x.index = f, index.New(f(o))
x.tree = set.New(x.index)
x.posPool = qu.New(uint(0))
return x
}