def col_name
import cswap-bend-cli@0.1.0.0/profview.bend as Profviewimport Base
124def col_name(+rs: List<&2, Row>) -> List<&2, String>:
125 match rs:
126 case Nil{}:
127 []
128 case Con{Row{m, n, s, t, ms, c, i, src}, t2}:
129 n <> col_name(t2)