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[WIP] Implement FusedIterator #32999

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[WIP] Implement FusedIterator #32999

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f0f0ae9
Add a FusedIterator trait.
Stebalien Apr 12, 2016
2c6d008
Implement FusedIterator for core.
Stebalien Apr 15, 2016
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14 changes: 13 additions & 1 deletion src/libcore/char.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -15,7 +15,7 @@
#![allow(non_snake_case)]
#![stable(feature = "core_char", since = "1.2.0")]

use iter::Iterator;
use iter::{Iterator, FusedIterator};
use mem::transmute;
use option::Option::{None, Some};
use option::Option;
Expand Down Expand Up @@ -461,6 +461,9 @@ impl Iterator for EscapeUnicode {
}
}

#[unstable(feature = "fused", reason = "recently added", issue = "0")]
impl FusedIterator for EscapeUnicode {}

/// An iterator that yields the literal escape code of a `char`.
///
/// This `struct` is created by the [`escape_default()`] method on [`char`]. See
Expand Down Expand Up @@ -556,6 +559,9 @@ impl Iterator for EscapeDefault {
}
}

#[unstable(feature = "fused", reason = "recently added", issue = "0")]
impl FusedIterator for EscapeDefault {}

/// An iterator over `u8` entries represending the UTF-8 encoding of a `char`
/// value.
///
Expand Down Expand Up @@ -594,6 +600,9 @@ impl Iterator for EncodeUtf8 {
}
}

#[unstable(feature = "fused", reason = "recently added", issue = "0")]
impl FusedIterator for EncodeUtf8 {}

/// An iterator over `u16` entries represending the UTF-16 encoding of a `char`
/// value.
///
Expand Down Expand Up @@ -632,3 +641,6 @@ impl Iterator for EncodeUtf16 {
self.as_slice().iter().size_hint()
}
}

#[unstable(feature = "fused", reason = "recently added", issue = "0")]
impl FusedIterator for EncodeUtf16 {}
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