def str.pick
import cswap-bend-cli@0.1.0.0/json/lex.bend as Leximport Base
212def str.pick(closed: Bool, +body: String) -> Tok:
213 match closed:
214 case True{}:
215 TStr{unescape(String.length(body), body)}
216 case False{}:
217 TErr{"unterminated string"}