Table.lone_num: def of bolt@1.27.0.0
Import: import bolt@1.27.0.0/src/rules/table.bend as Table
Lines 52-58 of bolt@1.27.0.0/src/rules/table.bend: https://jend.leeeet.dev/read.txt?path=bolt@1.27.0.0/src/rules/table.bend&start_line=52&end_line=58

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 chain is exactly one number
def lone_num(nn: Tree.Node) -> Bool:
  match nn:
    case Tree.NCons{Tree.Leaf{Lex.Tok{Lex.TNum{}, t, l, c}}, Tree.NNil{}}:
      True{}
    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=TokKind
  https://jend.leeeet.dev/definition.txt?path=bolt@1.27.0.0/src/syntax/tree.bend&name=Node