def form.bchars
import emerging-ezhttp@0.21.0.0/src/form.bend as Formimport Base
108# every character of a string is a boundary character
109def form.bchars(s: String) -> Bool:
110 match s:
111 case SNil{}:
112 True{}
113 case SCon{Chr{+cp}, tail}:
114 all.step(form.bchar(cp), _u => form.bchars(tail))