def left
import stelliferous@0.0.2.0/proofs/storage_certificate.bend as StorageCertificateimport Base
import stelliferous@0.0.2.0/proofs/storage_tree_model.bend as Tree
14def left(-Element: Data,tree: Tree.Tree<Element>) -> Tree.Tree<Element>:
15 match tree:
16 case Tree.Leaf{value}: Tree.Leaf{value}
17 case Tree.Node{left,right}: left