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Are BTreeSet iterators guaranteed to visit elements in ascending order? #38204

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Ms2ger opened this issue Dec 7, 2016 · 4 comments
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Are BTreeSet iterators guaranteed to visit elements in ascending order? #38204

Ms2ger opened this issue Dec 7, 2016 · 4 comments
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@Ms2ger
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Ms2ger commented Dec 7, 2016

On IRC, we established that they probably do. We should document that.

CC @steveklabnik
@sfackler sfackler added the A-docs label Dec 7, 2016
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/cc @rust-lang/libs , is this true or not?

@sfackler
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sfackler commented Dec 7, 2016

It is guaranteed I believe.

@frewsxcv
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frewsxcv commented Dec 7, 2016

It looks like this is already documented in all iterator methods in the docs for BTreeSet (ctrl-f for "in ascending order"), just not BTreeSet::iter.

@frewsxcv frewsxcv self-assigned this Dec 7, 2016
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frewsxcv commented Dec 7, 2016

Will be fixed by #38208

frewsxcv added a commit to frewsxcv/rust that referenced this issue Dec 7, 2016
@frewsxcv
Indicate that BTreeSet::iter returns values in ascending order.
457c282 
Fixes rust-lang#38204.
frewsxcv added a commit to frewsxcv/rust that referenced this issue Dec 15, 2016
@frewsxcv
Indicate that BTreeSet::iter returns values in ascending order.
b4ed584 
Fixes rust-lang#38204.
@bors bors closed this as completed in fe0d092 Dec 21, 2016
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@steveklabnik @Ms2ger @frewsxcv @sfackler