Method unpack

arrow-flight/src/sql/mod.rs:311–318

Unpacks the contents of the message if it is of type `M`

(&self)

    /// Unpacks the contents of the message if it is of type `M`
    pub fn unpack<M: ProstMessageExt>(&self) -> Result<Option<M>, ArrowError> {
        if !self.is::<M>() {
            return Ok(None);
        }
        let m = Message::decode(&*self.value)
            .map_err(|err| ArrowError::ParseError(format!("Unable to decode Any value: {err}")))?;
        Ok(Some(m))
    }

    /// Packs a message into an [`Any`] message
    pub fn pack<M: ProstMessageExt>(message: &M) -> Result<Any, ArrowError> {