1 files changed, 0 insertions, 37 deletions
diff --git a/rustlings/exercises/09_strings/strings4.rs b/rustlings/exercises/09_strings/strings4.rs
deleted file mode 100644
index 3f7c5e7..0000000
--- a/rustlings/exercises/09_strings/strings4.rs
+++ /dev/null
@@ -1,37 +0,0 @@
-// Calls of this function should be replaced with calls of `string_slice` or `string`.
-fn placeholder() {}
-
-fn string_slice(arg: &str) {
-    println!("{arg}");
-}
-
-fn string(arg: String) {
-    println!("{arg}");
-}
-
-// TODO: Here are a bunch of values - some are `String`, some are `&str`.
-// Your task is to replace `placeholder(…)` with either `string_slice(…)`
-// or `string(…)` depending on what you think each value is.
-fn main() {
-    string_slice("blue");
-
-    string("red".to_string());
-
-    string(String::from("hi"));
-
-    string("rust is fun!".to_owned());
-
-    string("nice weather".into());
-
-    string(format!("Interpolation {}", "Station"));
-
-    // WARNING: This is byte indexing, not character indexing.
-    // Character indexing can be done using `s.chars().nth(INDEX)`.
-    string_slice(&String::from("abc")[0..1]);
-
-    string_slice("  hello there ".trim());
-
-    string("Happy Monday!".replace("Mon", "Tues"));
-
-    string("mY sHiFt KeY iS sTiCkY".to_lowercase());
-}