From abf175111d9bd997bc1c4ef5e078308fad681480 Mon Sep 17 00:00:00 2001
From: lyn <819880950@qq.com>
Date: Mon, 11 Mar 2019 15:09:20 +0100
Subject: [PATCH] clippy-ify

---
 src/main.rs   | 10 +++++-----
 src/run.rs    | 12 ++++++------
 src/verify.rs | 20 ++++++++++----------
 3 files changed, 21 insertions(+), 21 deletions(-)

diff --git a/src/main.rs b/src/main.rs
index 39f11dc6..0e2c9757 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -36,7 +36,7 @@ fn main() {
     let ts = ThemeSet::load_defaults();
 
     if None == matches.subcommand_name() {
-        println!("");
+        println!();
         println!(r#"       welcome to...                      "#);
         println!(r#"                 _   _ _                  "#);
         println!(r#"  _ __ _   _ ___| |_| (_)_ __   __ _ ___  "#);
@@ -44,25 +44,25 @@ fn main() {
         println!(r#" | |  | |_| \__ \ |_| | | | | | (_| \__ \ "#);
         println!(r#" |_|   \__,_|___/\__|_|_|_| |_|\__, |___/ "#);
         println!(r#"                               |___/      "#);
-        println!("");
+        println!();
     }
 
     if let Some(matches) = matches.subcommand_matches("run") {
         run(matches.clone()).unwrap();
     }
 
-    if let Some(_) = matches.subcommand_matches("verify") {
+    if matches.subcommand_matches("verify").is_some() {
         match verify() {
             Ok(_) => {}
             Err(_) => std::process::exit(1),
         }
     }
 
-    if let Some(_) = matches.subcommand_matches("watch") {
+    if matches.subcommand_matches("watch").is_some() {
         watch().unwrap();
     }
 
-    if let None = matches.subcommand_name() {
+    if matches.subcommand_name().is_none() {
         let mut highlighter =
             HighlightFile::new("default_out.md", &ss, &ts.themes["base16-eighties.dark"]).unwrap();
         for maybe_line in highlighter.reader.lines() {
diff --git a/src/run.rs b/src/run.rs
index b41ed33e..613ec2ba 100644
--- a/src/run.rs
+++ b/src/run.rs
@@ -30,17 +30,17 @@ pub fn run(matches: clap::ArgMatches) -> Result<(), ()> {
 }
 
 pub fn compile_and_run(filename: &str) -> Result<(), ()> {
-    let bar = ProgressBar::new_spinner();
-    bar.set_message(format!("Compiling {}...", filename).as_str());
-    bar.enable_steady_tick(100);
+    let progress_bar = ProgressBar::new_spinner();
+    progress_bar.set_message(format!("Compiling {}...", filename).as_str());
+    progress_bar.enable_steady_tick(100);
     let compilecmd = Command::new("rustc")
         .args(&[filename, "-o", "temp", "--color", "always"])
         .output()
         .expect("fail");
-    bar.set_message(format!("Running {}...", filename).as_str());
+    progress_bar.set_message(format!("Running {}...", filename).as_str());
     if compilecmd.status.success() {
         let runcmd = Command::new("./temp").output().expect("fail");
-        bar.finish_and_clear();
+        progress_bar.finish_and_clear();
 
         if runcmd.status.success() {
             println!("{}", String::from_utf8_lossy(&runcmd.stdout));
@@ -58,7 +58,7 @@ pub fn compile_and_run(filename: &str) -> Result<(), ()> {
             Err(())
         }
     } else {
-        bar.finish_and_clear();
+        progress_bar.finish_and_clear();
         let formatstr = format!(
             "{} Compilation of {} failed! Compiler error message:\n",
             Emoji("⚠️ ", "!"),
diff --git a/src/verify.rs b/src/verify.rs
index bc44dfac..ab08a277 100644
--- a/src/verify.rs
+++ b/src/verify.rs
@@ -19,14 +19,14 @@ pub fn verify() -> Result<(), ()> {
 }
 
 fn compile_only(filename: &str) -> Result<(), ()> {
-    let bar = ProgressBar::new_spinner();
-    bar.set_message(format!("Compiling {}...", filename).as_str());
-    bar.enable_steady_tick(100);
+    let progress_bar = ProgressBar::new_spinner();
+    progress_bar.set_message(format!("Compiling {}...", filename).as_str());
+    progress_bar.enable_steady_tick(100);
     let compilecmd = Command::new("rustc")
         .args(&[filename, "-o", "temp", "--color", "always"])
         .output()
         .expect("fail");
-    bar.finish_and_clear();
+    progress_bar.finish_and_clear();
     if compilecmd.status.success() {
         let formatstr = format!(
             "{} Successfully compiled {}!",
@@ -50,17 +50,17 @@ fn compile_only(filename: &str) -> Result<(), ()> {
 }
 
 pub fn test(filename: &str) -> Result<(), ()> {
-    let bar = ProgressBar::new_spinner();
-    bar.set_message(format!("Testing {}...", filename).as_str());
-    bar.enable_steady_tick(100);
+    let progress_bar = ProgressBar::new_spinner();
+    progress_bar.set_message(format!("Testing {}...", filename).as_str());
+    progress_bar.enable_steady_tick(100);
     let testcmd = Command::new("rustc")
         .args(&["--test", filename, "-o", "temp", "--color", "always"])
         .output()
         .expect("fail");
     if testcmd.status.success() {
-        bar.set_message(format!("Running {}...", filename).as_str());
+        progress_bar.set_message(format!("Running {}...", filename).as_str());
         let runcmd = Command::new("./temp").output().expect("fail");
-        bar.finish_and_clear();
+        progress_bar.finish_and_clear();
 
         if runcmd.status.success() {
             let formatstr = format!("{} Successfully tested {}!", Emoji("✅", "✓"), filename);
@@ -79,7 +79,7 @@ pub fn test(filename: &str) -> Result<(), ()> {
             Err(())
         }
     } else {
-        bar.finish_and_clear();
+        progress_bar.finish_and_clear();
         let formatstr = format!(
             "{} Compiling of {} failed! Please try again. Here's the output:",
             Emoji("⚠️ ", "!"),