Deprecate NonZero type aliases.

Author: reitermarkus

library/core/src/num/mod.rs

@@ -71,9 +71,11 @@ pub use nonzero::ZeroablePrimitive;
 pub use nonzero::NonZero;
 
 #[stable(feature = "signed_nonzero", since = "1.34.0")]
+#[allow(deprecated, deprecated_in_future)]
 pub use nonzero::{NonZeroI128, NonZeroI16, NonZeroI32, NonZeroI64, NonZeroI8, NonZeroIsize};
 
 #[stable(feature = "nonzero", since = "1.28.0")]
+#[allow(deprecated, deprecated_in_future)]
 pub use nonzero::{NonZeroU128, NonZeroU16, NonZeroU32, NonZeroU64, NonZeroU8, NonZeroUsize};
 
 #[stable(feature = "try_from", since = "1.34.0")]

library/core/src/num/nonzero.rs

@@ -490,6 +490,7 @@ macro_rules! nonzero_integer {
         ///
         /// [null pointer optimization]: crate::option#representation
         #[$stability]
+        #[deprecated(since = "TBD", note = "replaced by the generic `NonZero` type")]
         pub type $Ty = NonZero<$Int>;
 
         impl $Ty {

library/std/src/num.rs

@@ -27,9 +27,11 @@ pub use core::num::ZeroablePrimitive;
 pub use core::num::NonZero;
 
 #[stable(feature = "signed_nonzero", since = "1.34.0")]
+#[allow(deprecated, deprecated_in_future)]
 pub use core::num::{NonZeroI128, NonZeroI16, NonZeroI32, NonZeroI64, NonZeroI8, NonZeroIsize};
 
 #[stable(feature = "nonzero", since = "1.28.0")]
+#[allow(deprecated, deprecated_in_future)]
 pub use core::num::{NonZeroU128, NonZeroU16, NonZeroU32, NonZeroU64, NonZeroU8, NonZeroUsize};
 
 #[stable(feature = "int_error_matching", since = "1.55.0")]