Returns the number of extra data entries.
(&self)
| 243 | peek(alt(( |
| 244 | (space0, "=", space0).take(), |
| 245 | delimiter_parser.by_ref(), |
| 246 | ))), |
| 247 | ) |
| 248 | .take() |
| 249 | .context(StrContext::Label("extra data key")) |
| 250 | .context(StrContext::Expected(StrContextValue::Description( |
no outgoing calls