next_power_of_two: add a doctest to show what happens on 0

rust-lang · May 7, 2024 · 776f182 · 776f182
1 parent d71b3f4
commit 776f182
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/library/core/src/num/uint_macros.rs b/library/core/src/num/uint_macros.rs
@@ -2764,6 +2764,7 @@ macro_rules! uint_impl {
         /// ```
         #[doc = concat!("assert_eq!(2", stringify!($SelfT), ".next_power_of_two(), 2);")]
         #[doc = concat!("assert_eq!(3", stringify!($SelfT), ".next_power_of_two(), 4);")]
+        #[doc = concat!("assert_eq!(0", stringify!($SelfT), ".next_power_of_two(), 1);")]
         /// ```
         #[stable(feature = "rust1", since = "1.0.0")]
         #[rustc_const_stable(feature = "const_int_pow", since = "1.50.0")]