def prop
import bend-kit-regex@0.8.0.0/regex.bend as Regeximport Base
99# \pL or \p{Lu}; \P negates.
100def prop(neg: Bool, s: String) -> Esc:
101 match s:
102 case SNil{}:
103 EBad{}
104 case SCon{'{', t}:
105 prop.name(t, neg, SNil{})
106 case SCon{c, t}:
107 prop.ok(neg, SCon{c, SNil{}}, t)