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impl Default, Copy, Clone for std::io::Sink and Empty #86744

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Aug 8, 2021
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impl Default, Copy, Clone for std::io::Sink and Empty #86744

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2 changes: 2 additions & 0 deletions library/std/src/io/util.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -14,6 +14,7 @@ use crate::io::{
/// the documentation of [`empty()`] for more details.
#[stable(feature = "rust1", since = "1.0.0")]
#[non_exhaustive]
#[derive(Copy, Clone, Default)]
pub struct Empty;

/// Constructs a new handle to an empty reader.
Expand Down Expand Up @@ -172,6 +173,7 @@ impl fmt::Debug for Repeat {
/// see the documentation of [`sink()`] for more details.
#[stable(feature = "rust1", since = "1.0.0")]
#[non_exhaustive]
#[derive(Copy, Clone, Default)]
pub struct Sink;

/// Creates an instance of a writer which will successfully consume all data.
Expand Down