def strings.has
import gralha-text-scan@0.1.0.1/scan.bend as Scanimport Base
281def strings.has(xs: List<&2, String>, +s: String) -> Bool:
282 match xs:
283 case Nil{}: False{}
284 case Con{h, t}: branch(Bool, string.equal(h, s), _ => True{}, _ => strings.has(t, s))