Refactor core::iter module#56932

Merged

bors merged 17 commits intorust-lang:masterfrom

clarfonthey:iter_refactor

Jan 27, 2019

Commits on Jan 22, 2019

Move core::iter adapters to adapters.rs
Clar Fon
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Move core::iter iterator.rs to traits module
Clar Fon
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Move DoubleEndedIterator to own module
Clar Fon
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Move ExactSizeIterator to own module
Clar Fon
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Move FromIterator, IntoIterator, Extend into own module
Clar Fon
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Move Sum, Product to own module
Clar Fon
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Move FusedIterator, TrustedLen to own module
Clar Fon
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Move Zip and ZipImpl to own module
Clar Fon
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Move TrustedRandomAccess into Zip module
Clar Fon
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Move Chain and ChainState to own module
Clar Fon
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Move Flatten and FlatMap to own module
Clar Fon
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Don't expose ChainState to Iterator
Clar Fon
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Don't expose FlattenCompat to Iterator
Clar Fon
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Move super_nth out of ZipImpl
Clar Fon
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Don't expose ZipImpl to Iterator
Clar Fon
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Move nontrivial constructors to inherent methods
Clar Fon
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Move trivial constructors to inherent methods
Clar Fon
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