// RUN: %swift-ide-test --code-completion --source-filename %s --code-completion-token=COMPLETE

var fields: Binding2<[String]> = Binding2()

func morningField() -> Binding2<String> {
  let index = 0
  return fields[#^COMPLETE^#index]
}

@dynamicMemberLookup public struct Binding2<Value> {
  public subscript<Subject>(dynamicMember keyPath: WritableKeyPath<Value, Subject>) -> Binding2<Subject> {
    fatalError()
  }
}