1.4.1

chore: Correct typo in hint text

CHANGELOG.md

@@ -1,3 +1,15 @@
+<a name="1.4.1"></a>
+### 1.4.1 (2019-08-13)
+
+
+#### Bug Fixes
+
+* **iterators2:**  Remove syntax resulting in misleading error message ([4cde8664](https://github.com/rust-lang/rustlings/commit/4cde86643e12db162a66e62f23b78962986046ac))
+* **option1:**  Add test for prematurely passing exercise ([a750e4a1](https://github.com/rust-lang/rustlings/commit/a750e4a1a3006227292bb17d57d78ce84da6bfc6))
+* **test1:**  Swap assertion parameter order ([4086d463](https://github.com/rust-lang/rustlings/commit/4086d463a981e81d97781851d17db2ced290f446))
+
+
+
 <a name="1.4.0"></a>
 ## 1.4.0 (2019-07-13)
 

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "rustlings"
-version = "1.4.0"
+version = "1.4.1"
 authors = ["Marisa <marisa@mokou.zone>", "Carol (Nichols || Goulding) <carol.nichols@gmail.com"]
 edition = "2018"
 

exercises/error_handling/option1.rs

@@ -4,7 +4,7 @@
 // on `None`. Handle this in a more graceful way than calling `unwrap`!
 // Scroll down for hints :)
 
-fn main() {
+pub fn pop_too_much() -> bool {
     let mut list = vec![3];
 
     let last = list.pop().unwrap();
@@ -15,9 +15,18 @@ fn main() {
         "The second-to-last item in the list is {:?}",
         second_to_last
     );
+    true
 }
 
+#[cfg(test)]
+mod tests {
+    use super::*;
 
+    #[test]
+    fn should_not_panic() {
+        assert!(pop_too_much(), true);
+    }
+}
 
 
 

exercises/standard_library_types/iterators2.rs

@@ -1,7 +1,7 @@
 // iterators2.rs
 // In this module, you'll learn some of unique advantages that iterators can offer
 // Step 1. Complete the `capitalize_first` function to pass the first two cases
-// Step 2. Apply the `capitalize_first` function to a vector of strings, ensuring that it
+// Step 2. Apply the `capitalize_first` function to a vector of strings, ensuring that it returns a vector of strings as well
 // Step 3. Apply the `capitalize_first` function again to a list, but try and ensure it returns a single string
 // As always, there are hints below!
 
@@ -9,7 +9,7 @@ pub fn capitalize_first(input: &str) -> String {
     let mut c = input.chars();
     match c.next() {
         None => String::new(),
-        Some(first) => first.collect()::<String>() + c.as_str(),
+        Some(first) => first.collect::<String>() + c.as_str(),
     }
 }
 
@@ -78,7 +78,7 @@ mod tests {
 
 // Step 1
 // You need to call something on `first` before it can be collected
-// Currently it's type is `char`. Have a look at the methods that are available on that type:
+// Currently its type is `char`. Have a look at the methods that are available on that type:
 // https://doc.rust-lang.org/std/primitive.char.html
 
 

exercises/structs/README.md

@@ -1,4 +1,4 @@
-### Strings
+### Structs
 
 Rust has three struct types: a classic c struct, a tuple struct, and a unit struct.
 

exercises/test1.rs

@@ -16,6 +16,6 @@ fn verify_test() {
     let price1 = calculate_price(55);
     let price2 = calculate_price(40);
 
-    assert_eq!(price1, 55);
-    assert_eq!(price2, 80);
+    assert_eq!(55, price1);
+    assert_eq!(80, price2);
 }

info.toml

@@ -192,7 +192,7 @@ mode = "test"
 
 [[exercises]]
 path = "exercises/error_handling/option1.rs"
-mode = "compile"
+mode = "test"
 
 [[exercises]]
 path = "exercises/error_handling/result1.rs"