Use fold to replace all placeholders in template 🪭

src/main.rs

@@ -60,14 +60,10 @@ fn convert(input: &str, dangerous: bool) -> Result<String, Message> {
 }
 
 fn render(template: &str, values: &HashMap<&str, &str>) -> String {
-    let mut result = String::from(template);
-
-    for (key, value) in values {
+    return values.iter().fold(String::from(template), |result, (key, value)| {
         let pattern = format!("{{{{ {key} }}}}");
-        result = result.replace(&pattern, value)
-    }
-
-    result
+        result.replace(&pattern, value)
+    })
 }
 
 fn main() -> Result<()> {