diff options
Diffstat (limited to 'library/std/src/io/mod.rs')
| -rw-r--r-- | library/std/src/io/mod.rs | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/library/std/src/io/mod.rs b/library/std/src/io/mod.rs index b2b6d8613..ea66d0409 100644 --- a/library/std/src/io/mod.rs +++ b/library/std/src/io/mod.rs @@ -268,7 +268,7 @@ pub(crate) use self::stdio::attempt_print_to_stderr; #[unstable(feature = "internal_output_capture", issue = "none")] #[doc(no_inline, hidden)] pub use self::stdio::set_output_capture; -#[unstable(feature = "is_terminal", issue = "98070")] +#[stable(feature = "is_terminal", since = "1.70.0")] pub use self::stdio::IsTerminal; #[unstable(feature = "print_internals", issue = "none")] pub use self::stdio::{_eprint, _print}; @@ -823,8 +823,22 @@ pub trait Read { /// Read the exact number of bytes required to fill `cursor`. /// - /// This is equivalent to the [`read_exact`](Read::read_exact) method, except that it is passed a [`BorrowedCursor`] rather than `[u8]` to - /// allow use with uninitialized buffers. + /// This is similar to the [`read_exact`](Read::read_exact) method, except + /// that it is passed a [`BorrowedCursor`] rather than `[u8]` to allow use + /// with uninitialized buffers. + /// + /// # Errors + /// + /// If this function encounters an error of the kind [`ErrorKind::Interrupted`] + /// then the error is ignored and the operation will continue. + /// + /// If this function encounters an "end of file" before completely filling + /// the buffer, it returns an error of the kind [`ErrorKind::UnexpectedEof`]. + /// + /// If any other read error is encountered then this function immediately + /// returns. + /// + /// If this function returns an error, all bytes read will be appended to `cursor`. #[unstable(feature = "read_buf", issue = "78485")] fn read_buf_exact(&mut self, mut cursor: BorrowedCursor<'_>) -> Result<()> { while cursor.capacity() > 0 { |