Assume has_leading_trailing_ones

cuviper · cuviper · commit 8a59e1785696 · 2024-02-07T17:03:18.000-08:00
diff --git a/build.rs b/build.rs
@@ -3,7 +3,6 @@ use std::env;
 fn main() {
     let ac = autocfg::new();
 
-    ac.emit_expression_cfg("1u32.trailing_ones()", "has_leading_trailing_ones");
     ac.emit_expression_cfg("1u32.div_euclid(1u32)", "has_div_euclid");
 
     if env::var_os("CARGO_FEATURE_STD").is_some() {
diff --git a/src/int.rs b/src/int.rs
@@ -404,7 +404,6 @@ macro_rules! prim_int_impl {
                 <$T>::count_zeros(self)
             }
 
-            #[cfg(has_leading_trailing_ones)]
             #[inline]
             fn leading_ones(self) -> u32 {
                 <$T>::leading_ones(self)
@@ -415,7 +414,6 @@ macro_rules! prim_int_impl {
                 <$T>::leading_zeros(self)
             }
 
-            #[cfg(has_leading_trailing_ones)]
             #[inline]
             fn trailing_ones(self) -> u32 {
                 <$T>::trailing_ones(self)

Original file line number	Diff line number	Diff line change
`@@ -404,7 +404,6 @@ macro_rules! prim_int_impl {`
`404`	`404`	`<$T>::count_zeros(self)`
`405`	`405`	`}`
`406`	`406`
`407`		`- #[cfg(has_leading_trailing_ones)]`
`408`	`407`	`#[inline]`
`409`	`408`	`fn leading_ones(self) -> u32 {`
`410`	`409`	`<$T>::leading_ones(self)`
`@@ -415,7 +414,6 @@ macro_rules! prim_int_impl {`
`415`	`414`	`<$T>::leading_zeros(self)`
`416`	`415`	`}`
`417`	`416`
`418`		`- #[cfg(has_leading_trailing_ones)]`
`419`	`417`	`#[inline]`
`420`	`418`	`fn trailing_ones(self) -> u32 {`
`421`	`419`	`<$T>::trailing_ones(self)`