let mut profile:&str = {
			let array = cmdline.arc();
			{
				let read = array.read().unwrap();
				if read.contains_key("profile"){
					if let Some(prof) = read.get("profile"){
						if prof.len() > 0 {
							prof.as_str()
						}
					}
				}
			}

			{
				let mut write = array.write().unwrap();
				write.insert("profile".to_string(), "default".to_string());
			}
			"default"
		};


error[E0308]: mismatched types
   --> src/main.rs:177:8
    |
67  | fn main() {
    |           - expected `()` because of default return type
...
177 |        prof.as_str()
    |        ^^^^^^^^^^^^^- help: try adding a semicolon: `;`
    |        |
    |        expected (), found &str
    |
    = note: expected type `()`
               found type `&str`