Tree.Node: type of bolt@1.27.0.0
Import: import bolt@1.27.0.0/src/syntax/tree.bend as Tree
Lines 33-41 of bolt@1.27.0.0/src/syntax/tree.bend: https://jend.leeeet.dev/read.txt?path=bolt@1.27.0.0/src/syntax/tree.bend&start_line=33&end_line=41

import Base
import bolt@1.27.0.0/src/syntax/lex.bend as Lex

# a leaf holds one token; a group its bracket, what is inside, and its close
# (None when it never closed); a statement its own tokens and the statements
# under it; NNil and NCons chain nodes
type Node is Data:
  Leaf{tok: Lex.Tok}
  Group{open: Lex.Tok, kids: Node, close: Maybe<&2, Lex.Tok>}
  Stmt{kind: StmtKind, kids: Node, body: Node}
  NNil{}
  NCons{head: Node, tail: Node}

Uses (3):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Maybe
  https://jend.leeeet.dev/definition.txt?path=bolt@1.27.0.0/src/syntax/lex.bend&name=Tok
  https://jend.leeeet.dev/definition.txt?path=bolt@1.27.0.0/src/syntax/tree.bend&name=StmtKind