Format code with cargo fmt nightly

add raketask to check if all tests and clippy and fmt are correct

Author: marcmo

rakefile.rb

@@ -23,6 +23,11 @@
   sh 'cargo test'
 end
 
+desc 'format code with cargo nightly'
+task :fmt do
+  sh 'cargo +nightly fmt'
+end
+
 desc 'run tests with printing to stdout'
 task :test_nocapture do
   sh 'cargo test -- --nocapture'

src/args.rs

@@ -1,16 +1,15 @@
-use std::cmp;
-use std::num;
-use std::ops;
-use std::process;
+use std::{cmp, num, ops, process};
 
 use crate::app;
 use clap;
 use env_logger;
 use num_cpus;
 
 use super::check::InfoLevel;
-use std::path::{Path, PathBuf};
-use std::result::Result;
+use std::{
+    path::{Path, PathBuf},
+    result::Result,
+};
 
 /// `Args` are transformed/normalized from `ArgMatches`.
 #[derive(Debug)]

src/check.rs

@@ -1,10 +1,11 @@
 use ansi_term;
-use std;
-use std::fs::metadata;
-use std::fs::File;
-use std::io;
-use std::io::prelude::*;
-use std::path::Path;
+use std::{
+    self,
+    fs::{metadata, File},
+    io,
+    io::prelude::*,
+    path::Path,
+};
 use unic_char_range::CharRange;
 
 #[cfg(not(target_os = "windows"))]
@@ -288,13 +289,10 @@ pub fn bold(s: &str) -> ansi_term::ANSIString {
 
 #[cfg(test)]
 mod tests {
-    use super::check_content;
-    use super::InfoLevel;
-    use super::HAS_ILLEGAL_CHARACTERS;
-    use super::HAS_TABS;
-    use super::HAS_WINDOWS_LINE_ENDINGS;
-    use super::LINE_TOO_LONG;
-    use super::TRAILING_SPACES;
+    use super::{
+        check_content, InfoLevel, HAS_ILLEGAL_CHARACTERS, HAS_TABS, HAS_WINDOWS_LINE_ENDINGS,
+        LINE_TOO_LONG, TRAILING_SPACES,
+    };
     use crate::clean::TabStrategy::{Tabify, Untabify};
     use std::sync::mpsc::sync_channel;
 

src/config.rs

@@ -1,11 +1,9 @@
 use anyhow::{anyhow, Error};
 use regex::Regex;
 use serde_derive::Deserialize;
-use std;
-use std::fs;
+use std::{self, fs};
 
-use std::io::Read;
-use std::path::PathBuf;
+use std::{io::Read, path::PathBuf};
 use toml;
 
 const DEFAULT_CFG_FILE: &str = "./.enforcer";
@@ -144,10 +142,7 @@ pub fn parse_config(input: &str) -> Result<EnforcerCfg, Error> {
 
 #[cfg(test)]
 mod tests {
-    use super::parse_config;
-    use super::s;
-    use super::suggestion;
-    use super::EnforcerCfg;
+    use super::{parse_config, s, suggestion, EnforcerCfg};
 
     #[test]
     fn test_load_simple_config() {

src/main.rs

@@ -26,13 +26,16 @@ mod config;
 mod search;
 
 use pbr::ProgressBar;
-use std::fs::File;
-use std::io::prelude::*;
-use std::num;
-use std::process;
-use std::sync::mpsc::{sync_channel, SyncSender};
-use std::sync::Arc;
-use std::thread;
+use std::{
+    fs::File,
+    io::prelude::*,
+    num, process,
+    sync::{
+        mpsc::{sync_channel, SyncSender},
+        Arc,
+    },
+    thread,
+};
 
 macro_rules! eprintln {
     ($($tt:tt)*) => {{

src/search.rs

@@ -61,8 +61,7 @@ pub fn find_matches(
 
 #[cfg(test)]
 mod tests {
-    use super::find_matches;
-    use super::path_components_matches;
+    use super::{find_matches, path_components_matches};
     use std::path;
 
     fn s(x: &str) -> String {