Clean up todos

JulianKnodt · JulianKnodt · commit d674d3dad89a · 2021-03-09T19:31:31.000Z
Also add some span_bugs where it is unreachable
diff --git a/src/lib.rs b/src/lib.rs
@@ -11,7 +11,6 @@
 #![warn(rust_2018_idioms)]
 #![warn(unused_lifetimes)]
 #![warn(unreachable_pub)]
-#![feature(box_patterns)]
 
 extern crate snap;
 #[macro_use]
