diff --git a/src/suggestions.rs b/src/suggestions.rs
index 954b2df..ea2c44f 100644
--- a/src/suggestions.rs
+++ b/src/suggestions.rs
@@ -1,7 +1,7 @@
 use crate::misc::chars_take;
 
 /// Generate a hint based on the input `input`, returns an `Option<String>`
-pub fn generate_hint(input: String) -> HintEnum<'static> {
+pub fn generate_hint(input: &str) -> HintEnum<'static> {
 	if input.is_empty() {
 		return HintEnum::Single("x^2");
 	}
@@ -119,7 +119,7 @@ mod tests {
 
 		for (key, value) in values {
 			println!("{} + {:?}", key, value);
-			assert_eq!(generate_hint(key.to_string()), value);
+			assert_eq!(generate_hint(key), value);
 		}
 	}
 }
diff --git a/src/widgets.rs b/src/widgets.rs
index 4b6ba17..13a7551 100644
--- a/src/widgets.rs
+++ b/src/widgets.rs
@@ -23,10 +23,10 @@ impl Default for AutoComplete {
 }
 
 impl AutoComplete {
-	fn changed(&mut self, string: String) {
-		if self.func_str != Some(string.clone()) {
+	fn changed(&mut self, string: &str) {
+		if self.func_str != Some(string.to_string()) {
 			self.changed = true;
-			self.func_str = Some(string.clone());
+			self.func_str = Some(string.to_string());
 			self.hint = generate_hint(string);
 		} else {
 			self.changed = false;
@@ -42,7 +42,7 @@ impl AutoComplete {
 		let te_id = ui.make_persistent_id(format!("text_edit_ac_{}", func_i));
 
 		// update self
-		self.changed(string.clone());
+		self.changed(&string);
 
 		let mut func_edit = egui::TextEdit::singleline(&mut new_string)
 			.hint_forward(true) // Make the hint appear after the last text in the textbox