def message.of
import bolt@1.26.0.0/src/check.bend as Checkimport Base
21# a message's lines: the first, then the rest indented
22def message.of(ls: List<&2, String>) -> String:
23 match ls:
24 case Nil{}:
25 ""
26 case Con{h, t}:
27 h ++ rest_lines(t)