def map_halves
import unified-nsga-iii@0.2.2.0/util.bend as Utilimport Base
302def map_halves(~A: Data, ~B: Data, ~C: Data, ~f: @+c:C -> @+x:A -> B, +ctx: C, +xs: List<&2, A>) -> List<&2, B>:
303 map_halves.go(~A, ~B, ~C, ~f, ctx, list_len(A, xs), xs)