Method encode_to_vec

der/src/encode.rs:41–59

(&self, buf: &mut Vec<u8>)

    #[cfg(feature = "alloc")]
    #[cfg_attr(docsrs, doc(cfg(feature = "alloc")))]
    fn encode_to_vec(&self, buf: &mut Vec<u8>) -> Result<Length> {
        let expected_len = usize::try_from(self.encoded_len()?)?;
        buf.reserve(expected_len);
        buf.extend(iter::repeat(0).take(expected_len));

        let mut writer = SliceWriter::new(buf);
        self.encode(&mut writer)?;
        let actual_len = writer.finish()?.len();

        if expected_len != actual_len {
            return Err(ErrorKind::Incomplete {
                expected_len: expected_len.try_into()?,
                actual_len: actual_len.try_into()?,
            }
            .into());
        }

        actual_len.try_into()
    }

    /// Serialize this message as a byte vector.
    #[cfg(feature = "alloc")]