Deny unreachable pubs

Author: Urgau

src/int_overflow.rs

@@ -15,7 +15,7 @@
 ///
 /// That's a long way to say that this should be used in areas where overflow
 /// is a bug but overflow checking is too slow.
-pub trait DebugStrictAdd {
+pub(crate) trait DebugStrictAdd {
     /// See [`DebugStrictAdd`].
     fn debug_strict_add(self, other: Self) -> Self;
 }
@@ -37,7 +37,7 @@ macro_rules! impl_debug_strict_add {
 }
 
 /// See [`DebugStrictAdd`].
-pub trait DebugStrictSub {
+pub(crate) trait DebugStrictSub {
     /// See [`DebugStrictAdd`].
     fn debug_strict_sub(self, other: Self) -> Self;
 }

src/lib.rs

@@ -3,6 +3,7 @@
 #![cfg_attr(feature = "nightly", feature(hasher_prefixfree_extras))]
 #![deny(clippy::missing_safety_doc)]
 #![deny(unsafe_op_in_unsafe_fn)]
+#![deny(unreachable_pub)]
 
 mod int_overflow;
 mod sip128;