Method is_valid_header

src/formats/csv.rs:114–127

(&self, header: &[u8])

	}

	fn is_valid_header(&self, header: &[u8]) -> Result<bool, Error> {
		let mut builder = self.reader_builder();

		// Let rust-csv parse the headers in this case, we don't need to preserve order just to check it's valid.
		builder.has_headers(true);

		let mut reader = builder.from_reader(header);
		let has_row: Option<Result<HashMap<String, String>, _>> = reader.deserialize().next();
		if let Some(row) = has_row {
			return Ok(row.is_ok());
		}

		Ok(false)
	}

	fn parse(&self, input: &mut dyn Read) -> Result<serde_json::Value, Error> {
		let mut reader = self.reader_builder().from_reader(input);