fix new tpl sig

src/compl/handler.rs

@@ -1,13 +1,13 @@
 //! Module related to completion handling.
 //!
-//! This module gathers all completion actions triggered by the CLI.
+//! This module gathers all completion commands.  
 
 use anyhow::{anyhow, Context, Result};
 use clap::{App, Shell};
 use std::{io, str::FromStr};
 
 /// Generate completion script from the given [`clap::App`] for the given shell slice.
-pub fn generate<'a>(shell: Option<&'a str>, mut app: App<'a, 'a>) -> Result<()> {
+pub fn generate<'a>(mut app: App<'a, 'a>, shell: Option<&'a str>) -> Result<()> {
     let shell = Shell::from_str(shell.unwrap_or_default())
         .map_err(|err| anyhow!(err))
         .context("cannot parse shell")?;