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Stabilize substr_range and related methods #141266

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10 changes: 2 additions & 8 deletions library/core/src/slice/mod.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -4794,8 +4794,6 @@ impl<T> [T] {
/// # Examples
/// Basic usage:
/// ```
/// #![feature(substr_range)]
///
/// let nums: &[u32] = &[1, 7, 1, 1];
/// let num = &nums[2];
///
Expand All @@ -4804,8 +4802,6 @@ impl<T> [T] {
/// ```
/// Returning `None` with an unaligned element:
/// ```
/// #![feature(substr_range)]
///
/// let arr: &[[u32; 2]] = &[[0, 1], [2, 3]];
/// let flat_arr: &[u32] = arr.as_flattened();
///
Expand All @@ -4819,7 +4815,7 @@ impl<T> [T] {
/// assert_eq!(arr.element_offset(weird_elm), None); // Points between element 0 and 1
/// ```
#[must_use]
#[unstable(feature = "substr_range", issue = "126769")]
#[stable(feature = "substr_range", since = "CURRENT_RUSTC_VERSION")]
pub fn element_offset(&self, element: &T) -> Option<usize> {
if T::IS_ZST {
panic!("elements are zero-sized");
Expand Down Expand Up @@ -4859,8 +4855,6 @@ impl<T> [T] {
/// # Examples
/// Basic usage:
/// ```
/// #![feature(substr_range)]
///
/// let nums = &[0, 5, 10, 0, 0, 5];
///
/// let mut iter = nums
Expand All @@ -4873,7 +4867,7 @@ impl<T> [T] {
/// assert_eq!(iter.next(), Some(5..6));
/// ```
#[must_use]
#[unstable(feature = "substr_range", issue = "126769")]
#[stable(feature = "substr_range", since = "CURRENT_RUSTC_VERSION")]
pub fn subslice_range(&self, subslice: &[T]) -> Option<Range<usize>> {
if T::IS_ZST {
panic!("elements are zero-sized");
Expand Down
4 changes: 1 addition & 3 deletions library/core/src/str/mod.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -3051,8 +3051,6 @@ impl str {
///
/// # Examples
/// ```
/// #![feature(substr_range)]
///
/// let data = "a, b, b, a";
/// let mut iter = data.split(", ").map(|s| data.substr_range(s).unwrap());
///
Expand All @@ -3062,7 +3060,7 @@ impl str {
/// assert_eq!(iter.next(), Some(9..10));
/// ```
#[must_use]
#[unstable(feature = "substr_range", issue = "126769")]
#[stable(feature = "substr_range", since = "CURRENT_RUSTC_VERSION")]
pub fn substr_range(&self, substr: &str) -> Option<Range<usize>> {
self.as_bytes().subslice_range(substr.as_bytes())
}
Expand Down
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