Tree.classify: def of bolt@1.27.0.0
Import: import bolt@1.27.0.0/src/syntax/tree.bend as Tree
Lines 317-325 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=317&end_line=325

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

# a statement's kind from its own tokens
def classify(kids: Node) -> StmtKind:
  match kids:
    case NCons{Leaf{Lex.Tok{Lex.TKey{}, t, l, c}}, rest}:
      keyword_kind(t)
    case NCons{Leaf{Lex.Tok{Lex.TAll{}, t, l, c}}, rest}:
      Bool.pick(StmtKind, arrow(rest), STerm{}, SDef{})
    case other:
      Bool.pick(StmtKind, binds_in(other), SLet{}, STerm{})

Uses (8):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool.pick
  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/lex.bend&name=TokKind
  https://jend.leeeet.dev/definition.txt?path=bolt@1.27.0.0/src/syntax/tree.bend&name=Node
  https://jend.leeeet.dev/definition.txt?path=bolt@1.27.0.0/src/syntax/tree.bend&name=StmtKind
  https://jend.leeeet.dev/definition.txt?path=bolt@1.27.0.0/src/syntax/tree.bend&name=arrow
  https://jend.leeeet.dev/definition.txt?path=bolt@1.27.0.0/src/syntax/tree.bend&name=binds_in
  https://jend.leeeet.dev/definition.txt?path=bolt@1.27.0.0/src/syntax/tree.bend&name=keyword_kind