perf: use static variable for cmd arguments

Cargo.toml

@@ -16,6 +16,7 @@ opt-level = 'z'
 actix-web = { version = "4.4.1", default-features = false, features = ["macros"] }
 anyhow = { version = "1.0.79", default-features = false, features = ["std"] }
 env_logger = { version = "0.10.1",default-features = false, features = ["humantime"] }
+lazy_static = { version = "1.4.0", default-features = false }
 pico-args = { version = "0.5.0", default-features = false, features = ["short-space-opt"] }
 reqwest = { version = "0.11.23", default-features = false, features = ["rustls-tls"] }
 serde = { version = "1.0.193", default-features = false, features = ["derive"] }

src/env.rs

@@ -0,0 +1,25 @@
+/*
+:project: gpts-code-analyst
+:author: L-ING
+:copyright: (C) 2024 L-ING <[email protected]>
+:license: MIT, see LICENSE for more details.
+*/
+
+use lazy_static::lazy_static;
+use pico_args::{Arguments, Error};
+use std::fmt::Display;
+use std::str::FromStr;
+
+fn get_arg_value<T>(arg_name: &'static str) -> Result<T, Error>
+where
+    T: FromStr,
+    T::Err: Display,
+{
+    let mut args = Arguments::from_env();
+    let value: T = args.value_from_str(arg_name)?;
+    return Ok(value);
+}
+
+lazy_static! {
+    pub static ref GITHUB_TOKEN: Result<String, Error> = get_arg_value("--token");
+}

src/main.rs

@@ -13,6 +13,7 @@ use env_logger::Env;
 mod handlers;
 mod structures;
 mod utils;
+mod env;
 
 #[actix_web::main]
 async fn main() -> std::io::Result<()> {

src/utils.rs

@@ -6,14 +6,13 @@
 */
 
 use anyhow::Context;
-use pico_args::Arguments;
 use std::error::Error;
 
+use crate::env::GITHUB_TOKEN;
 use crate::structures::{FileInfo, PathTree, RepoInfo};
 
 pub fn create_client() -> Result<reqwest::Client, Box<dyn Error>> {
-    let mut args = Arguments::from_env();
-    let github_token = args.value_from_str::<&str, String>("--token")?;
+    let github_token = GITHUB_TOKEN.as_ref()?;
     let mut headers = reqwest::header::HeaderMap::new();
     headers.insert(
         reqwest::header::AUTHORIZATION,