Rollup merge of rust-lang#124838 - RalfJung:next_power_of_two, r=scottmcm

matthiaskrgr · web-flow · commit 2daaeb7b4592 · 2024-05-07T22:00:55.000+02:00
next_power_of_two: add a doctest to show what happens on 0
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")]
