You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: use.rs
    path of file: ./repos/snm/src/commands
    
    the code of the file until where you have to start completion: use crate::cli::Config;
use clap::Parser;
use console::style;
use snm_core::{
    linker::Linker,
    version::{DistVersion, UserVersion},
    SnmRes,
};

#[derive(Debug, Parser)]
pub struct Use {
    /// Can be a partial semver or a LTS version name by the format lts/NAME.
    version: Option<UserVersion>,
}

impl super::Command for Use {
    fn init(self, config: Config) -> SnmRes<()> {
        let version = match self.version {
            Some(v) => v,
            None => UserVersion::from_file()?,
        };

        let r_dir = config.release_dir();

        match version {
            UserVersion::Lts(lts_code) => {
                let codename_dir = config.alias_dir().join(&lts_code.to_string());

                if !codename_dir.as_ref().exists() {
                    anyhow::bail!("Codename {} not found", style(lts_code).bold());
                }

                let dist_ver = Linker::read_convert_to_dist(&codename_dir, &r_dir)?;

                let dist_path = r_dir.join(dist_ver.to_string());

                Linker::create_link(&dist_path, &config.alias_default())?;

                println!("Using codename: {}", style(lts_code).bold());
            }
            UserVersion::Alias(alias) => {
                let alias_dir = config.alias_dir().join(alias.as_ref());

                if !alias_dir.as_ref().exists() {
                    anyhow::bail!("Alias {} not found", style(alias).bold());
                }

                let dist_ver = Linker::read_convert_to_dist(&alias_dir, &r_dir)?;

                let dist_path = r_dir.join(dist_ver
    
    fn init(self, config: Config) -> SnmRes<()> {
        let version = match self.version {
            Some(v) => v,
            None => UserVersion::from_file()?,
        };

        let r_dir = config.release_dir();

        match version {
            UserVersion::Lts(lts_code) => {
                let codename_dir = config.alias_dir().join(&lts_code.to_string());

                if !codename_dir.as_ref().exists() {
                    anyhow::bail!("Codename {} not found", style(lts_code).bold());
                }

                let dist_ver = Linker::read_convert_to_dist(&codename_dir, &r_dir)?;

                let dist_path = r_dir.join(dist_ver.to_string());

                Linker::create_link(&dist_path, &config.alias_default())?;

                println!("Using codename: {}", style(lts_code).bold());
            }
            UserVersion::Alias(alias) => {
                let alias_dir = config.alias_dir().join(alias.as_ref());

                if !alias_dir.as_ref().exists() {
                    anyhow::bail!("Alias {} not found", style(alias).bold());
                }

                let dist_ver = Linker::read_convert_to_dist(&alias_dir, &r_dir)?;

                let dist_path = r_dir.join(dist_ver.to_string());

                Linker::create_link(&dist_path, &config.alias_default())?;

                println!("Using alias: {}", style(alias).bold());
            }
            version => {
                let dist_ver = DistVersion::match_version(&r_dir, &version)?;

                let dist_path = r_dir.join(dist_ver.to_string());

                Linker::create_link(&dist_path, &config.alias_default())?;

                println!("Using version: {}", style(dist_ver).bold());
            }
        }

        Ok(())
    }