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authorbors <bors@rust-lang.org>2013-07-21 11:22:38 -0700
committerbors <bors@rust-lang.org>2013-07-21 11:22:38 -0700
commit73e9a121d285512371a3b94ec7d9bbaa59d24bbc (patch)
tree1d989ba6b6c615909eb53dbbb2af3fa84a4d92dc /src/rt/rust_kernel.cpp
parentc4b6216943eebbf17e6ea5641a0f32976633c4f2 (diff)
parent51649b763e9115db8c95eaf1c0a3ba55c147ad9d (diff)
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auto merge of #7921 : bytewiseand/rust/smallint-iter, r=huonw
Made the `iter` and `mut_iter` methods on SmallIntMap and SmallIntSet return double-ended-iterators. These iterators now implement `size_hint`.

Also the iterator tests only tested dense maps/sets, which aren't very useful. So they were changed to iterate over sparse maps/sets.

Fixes #7721
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