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

Rustfmt and ws fixes

8 files changed, 54 insertions, 18 deletions

diff --git a/exercises/error_handling/errors2.rs b/exercises/error_handling/errors2.rs
index d97f3b7..8b81207 100644
--- a/exercises/error_handling/errors2.rs
+++ b/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]
diff --git a/exercises/error_handling/errorsn.rs b/exercises/error_handling/errorsn.rs
index 15c6cd5..8d39967 100644
--- a/exercises/error_handling/errorsn.rs
+++ b/exercises/error_handling/errorsn.rs
@@ -65,7 +65,7 @@ fn test_ioerror() {
     assert_eq!("uh-oh!", read_and_validate(&mut b).unwrap_err().to_string());
 }
 
-#[derive(PartialEq,Debug)]
+#[derive(PartialEq, Debug)]
 struct PositiveNonzeroInteger(u64);
 
 impl PositiveNonzeroInteger {
@@ -83,11 +83,14 @@ 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));
 }
 
-#[derive(PartialEq,Debug)]
+#[derive(PartialEq, Debug)]
 enum CreationError {
     Negative,
     Zero,
@@ -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
diff --git a/exercises/error_handling/option1.rs b/exercises/error_handling/option1.rs
index 9cf0bc9..13fc720 100644
--- a/exercises/error_handling/option1.rs
+++ b/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
+    );
 }
 
 
diff --git a/exercises/error_handling/result1.rs b/exercises/error_handling/result1.rs
index 851ab45..f9596e2 100644
--- a/exercises/error_handling/result1.rs
+++ b/exercises/error_handling/result1.rs
@@ -1,10 +1,10 @@
 // result1.rs
 // Make this test pass! Scroll down for hints :)
 
-#[derive(PartialEq,Debug)]
+#[derive(PartialEq, Debug)]
 struct PositiveNonzeroInteger(u64);
 
-#[derive(PartialEq,Debug)]
+#[derive(PartialEq, Debug)]
 enum CreationError {
     Negative,
     Zero,
@@ -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));
 }
 
diff --git a/exercises/standard_library_types/iterator3.rs b/exercises/standard_library_types/iterator3.rs
index 1d2e135..083c0af 100644
--- a/exercises/standard_library_types/iterator3.rs
+++ b/exercises/standard_library_types/iterator3.rs
@@ -114,7 +114,7 @@ mod tests {
 
 
 
-// Minor hint: In each of the two cases in the match in main, you can create x with either 
+// Minor hint: In each of the two cases in the match in main, you can create x with either
 // a 'turbofish' or by hinting the type of x to the compiler. You may try both.
 
 
@@ -143,5 +143,5 @@ mod tests {
 
 
 
-// Major hint: Have a look at the Iter trait and at the explanation of its collect function. 
+// Major hint: Have a look at the Iter trait and at the explanation of its collect function.
 // Especially the part about Result is interesting.
diff --git a/src/exercise.rs b/src/exercise.rs
index e0c6ce7c8..6f526e7 100644
--- a/src/exercise.rs
+++ b/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() {
diff --git a/src/run.rs b/src/run.rs
index e108e78..1484351 100644
--- a/src/run.rs
+++ b/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;
diff --git a/src/verify.rs b/src/verify.rs
index c4451b2..4778180 100644
--- a/src/verify.rs
+++ b/src/verify.rs
@@ -2,7 +2,7 @@ use crate::exercise::{Exercise, Mode};
 use console::{style, Emoji};
 use indicatif::ProgressBar;
 
-pub fn verify<'a>(start_at: impl IntoIterator<Item=&'a Exercise>) -> Result<(), ()> {
+pub fn verify<'a>(start_at: impl IntoIterator<Item = &'a Exercise>) -> Result<(), ()> {
     for exercise in start_at {
         match exercise.mode {
             Mode::Test => test(&exercise)?,