Iterator traits implementations #8120
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July 30, 2013 01:48
Implement RAI where possible for iterator adaptors such as Map, Enumerate, Skip, Take, Zip, Cycle (all of the requiring that the adapted iterator also implements RAI).
The RandomAccessIterator implementation is not sound for the mutable vec iterator, and makes it easy to duplicate &mut element pointers.
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bors
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Jul 30, 2013
Implement RandomAccessIterator (RAI) where possible, for Iterator adaptors such as Map, Enumerate, Peek, Skip, Take, Cycle, where the adapted iterator is already RAI, and for collections where it is relevant (ringbuf and bitv). After discussion with thestinger, remove the RAI impl for VecMutIterator, we cannot soundly provide mutable access with this trait. Implement Extendable everywhere FromIterator is already implemented. Fixes issue #8108.
flip1995
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Feb 24, 2022
trigger `ptr_as_ptr` inside macros This PR makes `ptr_as_ptr` trigger inside macros Fixes issue rust-lang#8120 changelog: ``[`ptr_as_ptr`]`` is now triggered inside macros r? `@llogiq`
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Implement RandomAccessIterator (RAI) where possible, for Iterator adaptors such as Map, Enumerate, Peek, Skip, Take, Cycle, where the adapted iterator is already RAI, and for collections where it is relevant (ringbuf and bitv).
After discussion with thestinger, remove the RAI impl for VecMutIterator, we cannot soundly provide mutable access with this trait.
Implement Extendable everywhere FromIterator is already implemented.
Fixes issue #8108.