def add
import bend-edit-distance@0.2.2.0/src/Batch.bend as Batchimport Base
83def add(group: Group, job: WeightedJob) -> Group:
84 Group{room, work, jobs} = group
85 WeightedJob{index, +cost, value} = job
86 Group{Nat.sub(room, 1n), F32.add(work, cost), WeightedJob{index, cost, value} <> jobs}