diff --git a/library/std/src/fs.rs b/library/std/src/fs.rs index f5848bf4cc4..901426c5a1c 100644 --- a/library/std/src/fs.rs +++ b/library/std/src/fs.rs @@ -16,6 +16,7 @@ use crate::fmt; use crate::io::{self, BorrowedCursor, IoSlice, IoSliceMut, Read, Seek, SeekFrom, Write}; use crate::path::{Path, PathBuf}; use crate::sealed::Sealed; +use crate::sync::Arc; use crate::sys::fs as fs_imp; use crate::sys_common::{AsInner, AsInnerMut, FromInner, IntoInner}; use crate::time::SystemTime; @@ -846,6 +847,51 @@ impl Seek for File { } } +#[stable(feature = "io_traits_arc", since = "CURRENT_RUSTC_VERSION")] +impl Read for Arc { + fn read(&mut self, buf: &mut [u8]) -> io::Result { + (&**self).read(buf) + } + fn read_vectored(&mut self, bufs: &mut [IoSliceMut<'_>]) -> io::Result { + (&**self).read_vectored(bufs) + } + fn read_buf(&mut self, cursor: BorrowedCursor<'_>) -> io::Result<()> { + (&**self).read_buf(cursor) + } + #[inline] + fn is_read_vectored(&self) -> bool { + (&**self).is_read_vectored() + } + fn read_to_end(&mut self, buf: &mut Vec) -> io::Result { + (&**self).read_to_end(buf) + } + fn read_to_string(&mut self, buf: &mut String) -> io::Result { + (&**self).read_to_string(buf) + } +} +#[stable(feature = "io_traits_arc", since = "CURRENT_RUSTC_VERSION")] +impl Write for Arc { + fn write(&mut self, buf: &[u8]) -> io::Result { + (&**self).write(buf) + } + fn write_vectored(&mut self, bufs: &[IoSlice<'_>]) -> io::Result { + (&**self).write_vectored(bufs) + } + #[inline] + fn is_write_vectored(&self) -> bool { + (&**self).is_write_vectored() + } + fn flush(&mut self) -> io::Result<()> { + (&**self).flush() + } +} +#[stable(feature = "io_traits_arc", since = "CURRENT_RUSTC_VERSION")] +impl Seek for Arc { + fn seek(&mut self, pos: SeekFrom) -> io::Result { + (&**self).seek(pos) + } +} + impl OpenOptions { /// Creates a blank new set of options ready for configuration. ///