Rollup merge of #77442 - pickfire:patch-7, r=scottmcm
Clean up on example doc fixes for ptr::copy Follow up of #77385 r? @scottmcm
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14d8ee3465
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@ -1901,9 +1901,10 @@ pub unsafe fn copy_nonoverlapping<T>(src: *const T, dst: *mut T, count: usize) {
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/// ```
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/// use std::ptr;
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///
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/// /// # Safety:
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/// /// # Safety
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/// ///
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/// /// * `ptr` must be correctly aligned for its type and non-zero.
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/// /// * `ptr` must be valid for reads of `elts` contiguous objects of type `T`.
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/// /// * `ptr` must be valid for reads of `elts` contiguous elements of type `T`.
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/// /// * Those elements must not be used after calling this function unless `T: Copy`.
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/// # #[allow(dead_code)]
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/// unsafe fn from_buf_raw<T>(ptr: *const T, elts: usize) -> Vec<T> {
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