def q.opt
import bend-kit-sigv4@0.11.0.1/sigv4.bend as Sigv4import Base
1151def q.opt(k: String, +v: String, +rest: List<&2, String>) -> List<&2, String>:
1152 Bool.pick(List<&2, String>, String.is_empty(v), rest, Con{q.kv(k, v), rest})
import bend-kit-sigv4@0.11.0.1/sigv4.bend as Sigv4import Base
1151def q.opt(k: String, +v: String, +rest: List<&2, String>) -> List<&2, String>:
1152 Bool.pick(List<&2, String>, String.is_empty(v), rest, Con{q.kv(k, v), rest})