def proxy.from.url.if
import bend-kit-http@0.38.2.0/http.bend as Httpimport Base
import bend-kit-url@0.4.1.0/url.bend as Url
3010def proxy.from.url.if(valid: Bool, raw: String) -> Maybe<&2, Proxy>:
3011 match valid:
3012 case False{}:
3013 None{}
3014 case True{}:
3015 proxy.from.parts(Url.take_to(String.drop(raw, 7n), 47))