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Remove unstable io::Cursor::remaining #86811

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Jul 13, 2021
Merged

Remove unstable io::Cursor::remaining #86811

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26 changes: 0 additions & 26 deletions library/std/src/io/cursor.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -209,32 +209,6 @@ impl<T> Cursor<T>
where
T: AsRef<[u8]>,
{
/// Returns the remaining length.
///
/// # Examples
///
/// ```
/// #![feature(cursor_remaining)]
/// use std::io::Cursor;
///
/// let mut buff = Cursor::new(vec![1, 2, 3, 4, 5]);
///
/// assert_eq!(buff.remaining(), 5);
///
/// buff.set_position(2);
/// assert_eq!(buff.remaining(), 3);
///
/// buff.set_position(4);
/// assert_eq!(buff.remaining(), 1);
///
/// buff.set_position(6);
/// assert_eq!(buff.remaining(), 0);
/// ```
#[unstable(feature = "cursor_remaining", issue = "86369")]
pub fn remaining(&self) -> u64 {
(self.inner.as_ref().len() as u64).checked_sub(self.pos).unwrap_or(0)
}

/// Returns the remaining slice.
///
/// # Examples
Expand Down