Remove many unneeded feature annotations in the docs
When things get stabilized, they don't always have their docs updated to remove the gate.
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7 changed files with 6 additions and 24 deletions
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@ -98,7 +98,6 @@ use heap::deallocate;
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/// increase the reference counter.
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///
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/// ```
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/// # #![feature(alloc, core)]
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/// use std::sync::Arc;
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/// use std::thread;
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///
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@ -297,7 +296,6 @@ impl<T: ?Sized> Clone for Arc<T> {
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/// # Examples
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///
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/// ```
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/// # #![feature(alloc)]
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/// use std::sync::Arc;
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///
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/// let five = Arc::new(5);
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@ -392,7 +390,6 @@ impl<T: ?Sized> Drop for Arc<T> {
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/// # Examples
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///
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/// ```
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/// # #![feature(alloc)]
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/// use std::sync::Arc;
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///
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/// {
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