(&mut self)
| 267 | } |
| 268 | |
| 269 | fn parse_number(&mut self) -> Result<i64, JsonError> { |
| 270 | let mut value = String::new(); |
| 271 | if self.try_consume('-') { |
| 272 | value.push('-'); |
| 273 | } |
| 274 | |
| 275 | while let Some(ch @ '0'..='9') = self.peek() { |
| 276 | value.push(ch); |
| 277 | self.index += 1; |
| 278 | } |
| 279 | |
| 280 | if value.is_empty() || value == "-" { |
| 281 | return Err(JsonError::new("invalid number")); |
| 282 | } |
| 283 | |
| 284 | value |
| 285 | .parse::<i64>() |
| 286 | .map_err(|_| JsonError::new("number out of range")) |
| 287 | } |
| 288 | |
| 289 | fn expect(&mut self, expected: char) -> Result<(), JsonError> { |
| 290 | match self.next() { |
no test coverage detected