Transcong.comma: def of bolt@1.27.0.0
Import: import bolt@1.27.0.0/src/rules/style/transcong.bend as Transcong
Lines 51-57 of bolt@1.27.0.0/src/rules/style/transcong.bend: https://jend.leeeet.dev/read.txt?path=bolt@1.27.0.0/src/rules/style/transcong.bend&start_line=51&end_line=57

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

# is the node a comma leaf?
def comma(nn: Tree.Node) -> Bool:
  match nn:
    case Tree.Leaf{Lex.Tok{k, _t, _l, _c}}:
      Lex.is_comma(k)
    case _other:
      False{}

Uses (4):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  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=is_comma
  https://jend.leeeet.dev/definition.txt?path=bolt@1.27.0.0/src/syntax/tree.bend&name=Node