Tree.lift: def of bend-collections-laws-crypto@1.0.0.0
Import: import bend-collections-laws-crypto@1.0.0.0/proofs/crypto/blake/blake3/tree.bend as Tree
Lines 67-71 of bend-collections-laws-crypto@1.0.0.0/proofs/crypto/blake/blake3/tree.bend: https://jend.leeeet.dev/read.txt?path=bend-collections-laws-crypto@1.0.0.0/proofs/crypto/blake/blake3/tree.bend&start_line=67&end_line=71

import Base
import bend-collections-laws-crypto@1.0.0.0/src/crypto/blake/blake3/blake3.bend as K

def lift(t: K.Stack) -> K.Stack:
  match t:
    case K.StkNil{}: K.StkNil{}
    case K.SEmpty{r}: K.SEmpty{K.SEmpty{r}}
    case K.SFull{c,r}: K.SEmpty{K.SFull{c,r}}

Uses (1):
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-crypto@1.0.0.0/src/crypto/blake/blake3/blake3.bend&name=Stack