JSON.batch_build: def of qasim-bend-kit@0.1.0.2
Import: import qasim-bend-kit@0.1.0.2/libs/JSON.bend as JSON
Lines 1263-1274 of qasim-bend-kit@0.1.0.2/libs/JSON.bend: https://jend.leeeet.dev/read.txt?path=qasim-bend-kit@0.1.0.2/libs/JSON.bend&start_line=1263&end_line=1274

import Base

def batch_build(fuel: Nat, trees: List<&2, Batch>) -> Maybe<&2, Batch>:
    match fuel:
        case 0n:
            List.head(&2, Batch, trees)
        case 1n+p:
            match trees:
                case Nil{}:
                    None{}
                case tree <> Nil{}:
                    Some{tree}
                case left <> right <> tail:
                    batch_build(p, batch_pairs(left <> right <> tail))

Uses (6):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List.head
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Maybe
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=qasim-bend-kit@0.1.0.2/libs/JSON.bend&name=Batch
  https://jend.leeeet.dev/definition.txt?path=qasim-bend-kit@0.1.0.2/libs/JSON.bend&name=batch_pairs