1 files changed, 0 insertions, 56 deletions
diff --git a/rustlings/solutions/18_iterators/iterators2.rs b/rustlings/solutions/18_iterators/iterators2.rs
deleted file mode 100644
index db05f29..0000000
--- a/rustlings/solutions/18_iterators/iterators2.rs
+++ /dev/null
@@ -1,56 +0,0 @@
-// In this exercise, you'll learn some of the unique advantages that iterators
-// can offer.
-
-// "hello" -> "Hello"
-fn capitalize_first(input: &str) -> String {
-    let mut chars = input.chars();
-    match chars.next() {
-        None => String::new(),
-        Some(first) => first.to_uppercase().to_string() + chars.as_str(),
-    }
-}
-
-// Apply the `capitalize_first` function to a slice of string slices.
-// Return a vector of strings.
-// ["hello", "world"] -> ["Hello", "World"]
-fn capitalize_words_vector(words: &[&str]) -> Vec<String> {
-    words.iter().map(|word| capitalize_first(word)).collect()
-}
-
-// Apply the `capitalize_first` function again to a slice of string
-// slices. Return a single string.
-// ["hello", " ", "world"] -> "Hello World"
-fn capitalize_words_string(words: &[&str]) -> String {
-    words.iter().map(|word| capitalize_first(word)).collect()
-}
-
-fn main() {
-    // You can optionally experiment here.
-}
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-
-    #[test]
-    fn test_success() {
-        assert_eq!(capitalize_first("hello"), "Hello");
-    }
-
-    #[test]
-    fn test_empty() {
-        assert_eq!(capitalize_first(""), "");
-    }
-
-    #[test]
-    fn test_iterate_string_vec() {
-        let words = vec!["hello", "world"];
-        assert_eq!(capitalize_words_vector(&words), ["Hello", "World"]);
-    }
-
-    #[test]
-    fn test_iterate_into_string() {
-        let words = vec!["hello", " ", "world"];
-        assert_eq!(capitalize_words_string(&words), "Hello World");
-    }
-}