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authorbors <bors@rust-lang.org>2013-07-29 19:04:22 -0700
committerbors <bors@rust-lang.org>2013-07-29 19:04:22 -0700
commite94e4d51ca01db908748ab79bafe3254bede645b (patch)
tree304e61473a12f05f2def76160068ba68b579442e /src/libstd/rt/stack.rs
parentbb996bf92edc5c9a34275bae6143f1ada73e6c7f (diff)
parent99490ad5ba61b2ee69c2cdd70c70857eaf0b895f (diff)
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auto merge of #8120 : blake2-ppc/rust/iterator-fixes, r=thestinger
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.
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