def left_leaf
import stelliferous@0.0.2.0/tensor_band.bend as TensorBandimport Base
import stelliferous@0.0.2.0/traversal_partition.bend as Partition
140def left_leaf(~Left: Type,~Right: Type,pair: Paired<Left,Right>,first: U32,rows: U32) -> Partition.Tree<&1,Left,Unit>:
141 match pair:
142 case Both{left,right}: Partition.Leaf{left,first,rows,Unit{}}
143 case Only{left,own_first,own_rows}: Partition.Leaf{left,own_first,own_rows,Unit{}}