Arms.single: def of bolt@1.27.0.0
Import: import bolt@1.27.0.0/src/rules/correctness/arms.bend as Arms
Lines 116-123 of bolt@1.27.0.0/src/rules/correctness/arms.bend: https://jend.leeeet.dev/read.txt?path=bolt@1.27.0.0/src/rules/correctness/arms.bend&start_line=116&end_line=123

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

# `match x:`: one scrutinee
def single(kids: Tree.Node) -> Bool:
  match kids:
    case Tree.NCons{Tree.Leaf{Lex.Tok{Lex.TKey{}, +t, l, c}},
        Tree.NCons{x, Tree.NCons{Tree.Leaf{Lex.Tok{Lex.TColon{}, s, l2, c2}}, Tree.NNil{}}}}:
      String.eq(t, "match")
    case other:
      False{}

Uses (5):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=String.eq
  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