Digest.spans: def of bolt@1.27.0.0
Import: import bolt@1.27.0.0/src/rules/digest.bend as Digest
Lines 89-100 of bolt@1.27.0.0/src/rules/digest.bend: https://jend.leeeet.dev/read.txt?path=bolt@1.27.0.0/src/rules/digest.bend&start_line=89&end_line=100

import Base
import bolt@1.27.0.0/src/syntax/lex.bend as Lex
import bolt@1.27.0.0/src/syntax/tree.bend as Tree
import bolt@1.27.0.0/src/rules/laws/closed.bend as Closed

# the spans of every quantified law of a tree, in order. A closed law spans
# nothing (it covers one input, not the def)
def spans(root: Tree.Node) -> List<&2, Span>:
  match root:
    case Tree.NCons{Tree.Stmt{Tree.SLaw{}, kids, +body}, rest}:
      +more = spans(rest)
      Bool.pick(List<&2, Span>, Closed.binds(body),
        Span{Tree.line(kids), Tree.line.of(List.head(&2, Lex.Tok, Tree.leaves.go(body, [])))} <> more, more)
    case Tree.NCons{h, rest}:
      spans(rest)
    case other:
      Nil{}

Uses (11):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool.pick
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List.head
  https://jend.leeeet.dev/definition.txt?path=bolt@1.27.0.0/src/rules/digest.bend&name=Span
  https://jend.leeeet.dev/definition.txt?path=bolt@1.27.0.0/src/rules/laws/closed.bend&name=binds
  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=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=leaves.go
  https://jend.leeeet.dev/definition.txt?path=bolt@1.27.0.0/src/syntax/tree.bend&name=line
  https://jend.leeeet.dev/definition.txt?path=bolt@1.27.0.0/src/syntax/tree.bend&name=line.of