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Add Iterator trait TrustedLen to enable better FromIterator / Extend #37306

Merged
merged 9 commits into from
Nov 4, 2016
Merged

Add Iterator trait TrustedLen to enable better FromIterator / Extend #37306

merged 9 commits into from
Nov 4, 2016

Commits on Oct 20, 2016

  1. Introduce iterator trait TrustedLen

    @bluss
    bluss committed Oct 20, 2016
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  2. Use TrustedLen for Vec's FromIterator and Extend

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    bluss committed Oct 20, 2016
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  3. Implement TrustedLen for more iterators

    @bluss
    bluss committed Oct 20, 2016
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  4. Document TrustedLen’s contract

    @bluss
    bluss committed Oct 20, 2016
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Commits on Oct 21, 2016

  1. vec: Use Vec::extend specializations in extend_from_slice and more 

    The new Vec::extend covers the duties of .extend_from_slice() and some
previous specializations.
    @bluss
    bluss committed Oct 21, 2016
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  2. vec: Add a debug assertion where TrustedLen is used

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    bluss committed Oct 21, 2016
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Commits on Oct 26, 2016

  1. impl TrustedLen for vec::IntoIter

    @bluss
    bluss committed Oct 26, 2016
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  2. vec: Remove the Vec specialization for .extend() 

    This now produces as good code (with optimizations) using the TrustedLen
codepath.
    @bluss
    bluss committed Oct 26, 2016
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Commits on Nov 4, 2016

  1. Link the tracking issue for TrustedLen

    @bluss
    bluss committed Nov 4, 2016
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