Auto merge of #161 - c-rustacean:rustfmt-and-ws-fixes, r=komaeda

Rustfmt and ws fixes

exercises/error_handling/errors2.rs

@@ -32,10 +32,7 @@ mod tests {
 
     #[test]
     fn item_quantity_is_a_valid_number() {
-        assert_eq!(
-            total_cost("34"),
-            Ok(171)
-        );
+        assert_eq!(total_cost("34"), Ok(171));
     }
 
     #[test]

exercises/error_handling/errorsn.rs

@@ -83,7 +83,10 @@ impl PositiveNonzeroInteger {
 #[test]
 fn test_positive_nonzero_integer_creation() {
     assert!(PositiveNonzeroInteger::new(10).is_ok());
-    assert_eq!(Err(CreationError::Negative), PositiveNonzeroInteger::new(-10));
+    assert_eq!(
+        Err(CreationError::Negative),
+        PositiveNonzeroInteger::new(-10)
+    );
     assert_eq!(Err(CreationError::Zero), PositiveNonzeroInteger::new(0));
 }
 
@@ -108,6 +111,36 @@ impl error::Error for CreationError {
     }
 }
 
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 // First hint: To figure out what type should go where the ??? is, take a look
 // at the test helper function `test_with_str`, since it returns whatever
 // `read_and_validate` returns and`test_with_str` has its signature fully

exercises/error_handling/option1.rs

@@ -11,7 +11,10 @@ fn main() {
     println!("The last item in the list is {:?}", last);
 
     let second_to_last = list.pop().unwrap();
-    println!("The second-to-last item in the list is {:?}", second_to_last);
+    println!(
+        "The second-to-last item in the list is {:?}",
+        second_to_last
+    );
 }
 
 

exercises/error_handling/result1.rs

@@ -19,7 +19,10 @@ impl PositiveNonzeroInteger {
 #[test]
 fn test_creation() {
     assert!(PositiveNonzeroInteger::new(10).is_ok());
-    assert_eq!(Err(CreationError::Negative), PositiveNonzeroInteger::new(-10));
+    assert_eq!(
+        Err(CreationError::Negative),
+        PositiveNonzeroInteger::new(-10)
+    );
     assert_eq!(Err(CreationError::Zero), PositiveNonzeroInteger::new(0));
 }
 

src/exercise.rs

@@ -1,7 +1,7 @@
 use serde::Deserialize;
 use std::fmt::{self, Display, Formatter};
-use std::fs::{remove_file};
-use std::path::{PathBuf};
+use std::fs::remove_file;
+use std::path::PathBuf;
 use std::process::{self, Command, Output};
 
 const RUSTC_COLOR_ARGS: &[&str] = &["--color", "always"];
@@ -63,8 +63,8 @@ impl Display for Exercise {
 #[cfg(test)]
 mod test {
     use super::*;
-    use std::path::Path;
     use std::fs::File;
+    use std::path::Path;
 
     #[test]
     fn test_clean() {

src/run.rs

@@ -1,4 +1,4 @@
-use crate::exercise::{Mode, Exercise};
+use crate::exercise::{Exercise, Mode};
 use crate::verify::test;
 use console::{style, Emoji};
 use indicatif::ProgressBar;