def rb.len
import bend-kit-http@0.38.2.0/http.bend as Httpimport Base
1162def rb.len(+h: Map<&2, List<&2, String>>, te: Bool) -> Maybe<&2, Rb>:
1163 match te:
1164 case True{}:
1165 rb.te(h, has_header(h, "content-length"))
1166 case False{}:
1167 Bool.pick(Maybe<&2, Rb>, has_header(h, "content-length"), rb.cl(parse_u32(header(h, "content-length"))), Some{RbClose{}})