def origin.listed
import ezmcp@0.1.0.0/src/web.bend as Webimport Base
70# whether the server lists an Origin
71def origin.listed(origins: List<&2, String>, +origin: String) -> Bool:
72 match origins:
73 case []:
74 False{}
75 case listed <> rest:
76 origin.or(String.eq(listed, origin), _u => origin.listed(rest, origin))