use generic NonZero for uint impl

Author: ivan-shrimp

library/core/src/num/uint_macros.rs

@@ -3,7 +3,6 @@ macro_rules! uint_impl {
         Self = $SelfT:ty,
         ActualT = $ActualT:ident,
         SignedT = $SignedT:ident,
-        NonZeroT = $NonZeroT:ty,
 
         // There are all for use *only* in doc comments.
         // As such, they're all passed as literals -- passing them as a string
@@ -1216,8 +1215,7 @@ macro_rules! uint_impl {
                       without modifying the original"]
         #[inline]
         pub const fn checked_ilog2(self) -> Option<u32> {
-            // FIXME: Simply use `NonZero::new` once it is actually generic.
-            if let Some(x) = <$NonZeroT>::new(self) {
+            if let Some(x) = NonZero::new(self) {
                 Some(x.ilog2())
             } else {
                 None
@@ -1239,8 +1237,7 @@ macro_rules! uint_impl {
                       without modifying the original"]
         #[inline]
         pub const fn checked_ilog10(self) -> Option<u32> {
-            // FIXME: Simply use `NonZero::new` once it is actually generic.
-            if let Some(x) = <$NonZeroT>::new(self) {
+            if let Some(x) = NonZero::new(self) {
                 Some(x.ilog10())
             } else {
                 None