cool features!!!!!!!

src/lib.rs

@@ -1,4 +1,10 @@
-#![feature(const_trait_impl, const_ptr_as_ref, const_nonnull_new)]
+#![feature(
+    const_trait_impl,
+    const_ptr_as_ref,
+    const_nonnull_new,
+    let_chains,
+    if_let_guard
+)]
 
 // mod core_types;
 pub mod fname;