Rewalk.lhs_names: def of bolt@1.27.0.0
Import: import bolt@1.27.0.0/src/rules/pedantic/rewalk.bend as Rewalk
Lines 484-498 of bolt@1.27.0.0/src/rules/pedantic/rewalk.bend: https://jend.leeeet.dev/read.txt?path=bolt@1.27.0.0/src/rules/pedantic/rewalk.bend&start_line=484&end_line=498

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

# the names a let binds: every name left of its `=` or `<-`
def lhs_names(nn: Tree.Node, +acc: List<&2, String>) -> List<&2, String>:
  match nn:
    case Tree.NCons{Tree.Leaf{Lex.Tok{Lex.TEq{}, t, l, c}}, rest}:
      acc
    case Tree.NCons{Tree.Leaf{Lex.Tok{Lex.TBind{}, t, l, c}}, rest}:
      acc
    case Tree.NCons{Tree.Leaf{Lex.Tok{Lex.TName{}, +t, l, c}}, rest}:
      lhs_names(rest, t <> acc)
    case Tree.NCons{Tree.Group{open, +kids, close}, rest}:
      lhs_names(rest, names(kids, acc))
    case Tree.NCons{h, rest}:
      lhs_names(rest, acc)
    case other:
      acc

Uses (6):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=String
  https://jend.leeeet.dev/definition.txt?path=bolt@1.27.0.0/src/rules/pedantic/rewalk.bend&name=names
  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