tarantool-rs 0.0.10

Asyncronous tokio-based client for Tarantool
Documentation 
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use std::io::Write;

use crate::{
    codec::{
        consts::{keys, RequestType},
        utils::{write_kv_str, write_kv_tuple},
    },
    errors::EncodingError,
    tuple::Tuple,
};

use super::Request;

#[derive(Clone, Debug)]
pub(crate) struct Eval<'a, T> {
    pub expr: &'a str,
    pub tuple: T,
}

impl<'a, T: Tuple> Request for Eval<'a, T> {
    fn request_type() -> RequestType
    where
        Self: Sized,
    {
        RequestType::Eval
    }

    // NOTE: `&mut buf: mut` is required since I don't get why compiler complain
    fn encode(&self, mut buf: &mut dyn Write) -> Result<(), EncodingError> {
        rmp::encode::write_map_len(&mut buf, 2)?;
        write_kv_str(buf, keys::EXPR, self.expr)?;
        write_kv_tuple(buf, keys::TUPLE, &self.tuple)?;
        Ok(())
    }
}

impl<'a, T> Eval<'a, T> {
    pub fn new(expr: &'a str, args: T) -> Self {
        Self { expr, tuple: args }
    }
}