Constifying many traits

Author: SciMind2460

library/core/src/num/nonzero.rs

@@ -299,7 +299,8 @@ where
 }
 
 #[stable(feature = "nonzero_bitor", since = "1.45.0")]
-impl<T> BitOr for NonZero<T>
+#[rustc_const_unstable(feature = "const_ops", issue = "90080")]
+impl<T> const BitOr for NonZero<T>
 where
     T: ZeroablePrimitive + BitOr<Output = T>,
 {
@@ -313,7 +314,8 @@ where
 }
 
 #[stable(feature = "nonzero_bitor", since = "1.45.0")]
-impl<T> BitOr<T> for NonZero<T>
+#[rustc_const_unstable(feature = "const_ops", issue = "90080")]
+impl<T> const BitOr<T> for NonZero<T>
 where
     T: ZeroablePrimitive + BitOr<Output = T>,
 {
@@ -327,7 +329,8 @@ where
 }
 
 #[stable(feature = "nonzero_bitor", since = "1.45.0")]
-impl<T> BitOr<NonZero<T>> for T
+#[rustc_const_unstable(feature = "const_ops", issue = "90080")]
+impl<T> const BitOr<NonZero<T>> for T
 where
     T: ZeroablePrimitive + BitOr<Output = T>,
 {
@@ -341,7 +344,8 @@ where
 }
 
 #[stable(feature = "nonzero_bitor", since = "1.45.0")]
-impl<T> BitOrAssign for NonZero<T>
+#[rustc_const_unstable(feature = "const_ops", issue = "90080")]
+impl<T> const BitOrAssign for NonZero<T>
 where
     T: ZeroablePrimitive,
     Self: BitOr<Output = Self>,
@@ -353,7 +357,8 @@ where
 }
 
 #[stable(feature = "nonzero_bitor", since = "1.45.0")]
-impl<T> BitOrAssign<T> for NonZero<T>
+#[rustc_const_unstable(feature = "const_ops", issue = "90080")]
+impl<T> const BitOrAssign<T> for NonZero<T>
 where
     T: ZeroablePrimitive,
     Self: BitOr<T, Output = Self>,
@@ -1228,7 +1233,8 @@ macro_rules! nonzero_integer_signedness_dependent_impls {
     // Impls for unsigned nonzero types only.
     (unsigned $Int:ty) => {
         #[stable(feature = "nonzero_div", since = "1.51.0")]
-        impl Div<NonZero<$Int>> for $Int {
+        #[rustc_const_unstable(feature = "const_ops", issue = "90080")]
+        impl const Div<NonZero<$Int>> for $Int {
             type Output = $Int;
 
             /// Same as `self / other.get()`, but because `other` is a `NonZero<_>`,
@@ -1246,7 +1252,8 @@ macro_rules! nonzero_integer_signedness_dependent_impls {
         }
 
         #[stable(feature = "nonzero_div_assign", since = "1.79.0")]
-        impl DivAssign<NonZero<$Int>> for $Int {
+        #[rustc_const_unstable(feature = "const_ops", issue = "90080")]
+        impl const DivAssign<NonZero<$Int>> for $Int {
             /// Same as `self /= other.get()`, but because `other` is a `NonZero<_>`,
             /// there's never a runtime check for division-by-zero.
             ///
@@ -1259,7 +1266,8 @@ macro_rules! nonzero_integer_signedness_dependent_impls {
         }
 
         #[stable(feature = "nonzero_div", since = "1.51.0")]
-        impl Rem<NonZero<$Int>> for $Int {
+        #[rustc_const_unstable(feature = "const_ops", issue = "90080")]
+        impl const Rem<NonZero<$Int>> for $Int {
             type Output = $Int;
 
             /// This operation satisfies `n % d == n - (n / d) * d`, and cannot panic.
@@ -1272,7 +1280,8 @@ macro_rules! nonzero_integer_signedness_dependent_impls {
         }
 
         #[stable(feature = "nonzero_div_assign", since = "1.79.0")]
-        impl RemAssign<NonZero<$Int>> for $Int {
+        #[rustc_const_unstable(feature = "const_ops", issue = "90080")]
+        impl const RemAssign<NonZero<$Int>> for $Int {
             /// This operation satisfies `n % d == n - (n / d) * d`, and cannot panic.
             #[inline]
             fn rem_assign(&mut self, other: NonZero<$Int>) {
@@ -1312,7 +1321,8 @@ macro_rules! nonzero_integer_signedness_dependent_impls {
     // Impls for signed nonzero types only.
     (signed $Int:ty) => {
         #[stable(feature = "signed_nonzero_neg", since = "1.71.0")]
-        impl Neg for NonZero<$Int> {
+        #[rustc_const_unstable(feature = "const_ops", issue = "90080")]
+        impl const Neg for NonZero<$Int> {
             type Output = Self;
 
             #[inline]