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-rw-r--r--library/core/src/ffi/c_str.rs5
1 files changed, 2 insertions, 3 deletions
diff --git a/library/core/src/ffi/c_str.rs b/library/core/src/ffi/c_str.rs
index bd2b2c36c43..26b88d1e695 100644
--- a/library/core/src/ffi/c_str.rs
+++ b/library/core/src/ffi/c_str.rs
@@ -517,8 +517,6 @@ impl CStr {
/// # Examples
///
/// ```
- /// #![feature(cstr_is_empty)]
- ///
/// use std::ffi::CStr;
/// # use std::ffi::FromBytesWithNulError;
///
@@ -533,7 +531,8 @@ impl CStr {
/// # }
/// ```
#[inline]
- #[unstable(feature = "cstr_is_empty", issue = "102444")]
+ #[stable(feature = "cstr_is_empty", since = "CURRENT_RUSTC_VERSION")]
+ #[rustc_const_stable(feature = "cstr_is_empty", since = "CURRENT_RUSTC_VERSION")]
pub const fn is_empty(&self) -> bool {
// SAFETY: We know there is at least one byte; for empty strings it
// is the NUL terminator.