address lint warnings

Joshua Li · Joshua Li · commit 1cf9598985b6 · 2020-03-21T21:42:25.000-07:00
diff --git a/src/main.rs b/src/main.rs
@@ -69,7 +69,7 @@ fn main() {
         return;
     }
 
-    let kata_opt = matches.opt_str("k").unwrap_or("0".to_string());
+    let kata_opt = matches.opt_str("k").unwrap_or_else(|| "0".to_string());
     let mut num_kata: u8 = kata_opt.parse::<u8>().unwrap_or_else(|_| {
         eprintln!("Option -k, --kana must be an integer from 0 to 255.");
         process::exit(1);

Original file line number	Diff line number	Diff line change
`@@ -69,7 +69,7 @@ fn main() {`
`69`	`69`	`return;`
`70`	`70`	`}`
`71`	`71`
`72`		`- let kata_opt = matches.opt_str("k").unwrap_or("0".to_string());`
	`72`	`+ let kata_opt = matches.opt_str("k").unwrap_or_else(\|\| "0".to_string());`
`73`	`73`	`let mut num_kata: u8 = kata_opt.parse::<u8>().unwrap_or_else(\|_\| {`
`74`	`74`	`eprintln!("Option -k, --kana must be an integer from 0 to 255.");`
`75`	`75`	`process::exit(1);`