def place_half
import bend-visgraph@2.0.0.0/visgraph.bend as Visgraphimport Base
930def place_half(present: Bool, +u: U32, +v: U32, +w: F32, h: Halves) -> Halves:
931 match present:
932 case True{}:
933 Halves{cur, us, vs, ws} = h
934 put_half(u, v, w, Array.get(U32, cur, v), us, vs, ws)
935 case False{}:
936 h