diff --git a/exercises/standard_library_types/iterators2.rs b/exercises/standard_library_types/iterators2.rs index d102dc97..168368f6 100644 --- a/exercises/standard_library_types/iterators2.rs +++ b/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()::() + c.as_str(), + Some(first) => first.collect::() + c.as_str(), } }