func newClusterNode(fmtr lattice.Formatter, n lattice.Node, attr string) (*clusterNode, error) {
items, err := itemset(n, attr)
if err != nil {
return nil, err
}
labels, err := labelset(n)
if err != nil {
return nil, err
}
cn := &clusterNode{n.Pattern(), fmtr.PatternName(n), items, labels}
return cn, nil
}
func (r *PrFormatter) FormatMatrices(w io.Writer, fmtr lattice.Formatter, n lattice.Node, m interface{}) error {
QRu := m.(*Matrices)
bytes, err := json.Marshal(map[string]interface{}{
"Name": fmtr.PatternName(n),
"Q": QRu.Q,
"R": QRu.R,
"u": QRu.U,
"startingPoints": 1,
})
if err != nil {
return err
}
_, err = w.Write(bytes)
if err != nil {
return err
}
_, err = w.Write([]byte("\n"))
if err != nil {
return err
}
return nil
}
