diff options
Diffstat (limited to 'src/libstd/old_io/util.rs')
| -rw-r--r-- | src/libstd/old_io/util.rs | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/src/libstd/old_io/util.rs b/src/libstd/old_io/util.rs index a5ecb98334a..818c8e76d60 100644 --- a/src/libstd/old_io/util.rs +++ b/src/libstd/old_io/util.rs @@ -90,7 +90,7 @@ impl<R: Buffer> Buffer for LimitReader<R> { } /// A `Writer` which ignores bytes written to it, like /dev/null. -#[derive(Copy, Debug)] +#[derive(Copy, Clone, Debug)] #[deprecated(since = "1.0.0", reason = "use std::io::sink() instead")] #[unstable(feature = "old_io")] pub struct NullWriter; @@ -103,7 +103,7 @@ impl Writer for NullWriter { } /// A `Reader` which returns an infinite stream of 0 bytes, like /dev/zero. -#[derive(Copy, Debug)] +#[derive(Copy, Clone, Debug)] #[deprecated(since = "1.0.0", reason = "use std::io::repeat(0) instead")] #[unstable(feature = "old_io")] pub struct ZeroReader; @@ -130,7 +130,7 @@ impl Buffer for ZeroReader { } /// A `Reader` which is always at EOF, like /dev/null. -#[derive(Copy, Debug)] +#[derive(Copy, Clone, Debug)] #[deprecated(since = "1.0.0", reason = "use std::io::empty() instead")] #[unstable(feature = "old_io")] pub struct NullReader; |