MAINT: Silence clippy lint about if_then_panic (style issue)

Author: bluss

src/lib.rs

@@ -15,6 +15,8 @@
     clippy::manual_map, // is not an error
     clippy::while_let_on_iterator, // is not an error
     clippy::from_iter_instead_of_collect, // using from_iter is good style
+    clippy::if_then_panic, // is not an error
+    clippy::redundant_closure, // false positives clippy #7812
 )]
 #![doc(test(attr(deny(warnings))))]
 #![doc(test(attr(allow(unused_variables))))]