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Stabilize Option::flatten #64747

Merged
merged 1 commit into from
Oct 28, 2019
Merged

Stabilize Option::flatten #64747

merged 1 commit into from
Oct 28, 2019

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eopb
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@eopb eopb commented Sep 24, 2019 •
edited by dtolnay
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@elahn

I was trying to flat_map() and found map().flatten() does the trick. This has been on nightly for 4 months, can we stabilise it?

@ethanboxx

@Centril Helped me get this merged. What is the stabilization process?

@Centril

@ethanboxx I'd just file a PR to stabilize it and we'll ask T-libs to FCP.

So here I am.

I am was unsure what number to put in since = "-" so I copied what someone had done in a recent PR.

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r? @kennytm

(rust_highfive has picked a reviewer for you, use r? to override)

@rust-highfive rust-highfive added the S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. label Sep 24, 2019
@jonas-schievink jonas-schievink added the relnotes Marks issues that should be documented in the release notes of the next release. label Sep 24, 2019
@jonas-schievink jonas-schievink added this to the 1.40 milestone Sep 24, 2019
@jonas-schievink jonas-schievink added needs-fcp This change is insta-stable, so needs a completed FCP to proceed. T-libs-api Relevant to the library API team, which will review and decide on the PR/issue. labels Sep 24, 2019
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Centril commented Sep 24, 2019

PR looks good; excited about this!

cc @alexcrichton

@Centril Centril assigned alexcrichton and unassigned kennytm Sep 24, 2019
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@hellow554 hellow554 mentioned this pull request Sep 25, 2019
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@rfcbot fcp merge

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rfcbot commented Sep 25, 2019 •
edited by Amanieu
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Team member @alexcrichton has proposed to merge this. The next step is review by the rest of the tagged team members:

No concerns currently listed.

Once a majority of reviewers approve (and at most 2 approvals are outstanding), this will enter its final comment period. If you spot a major issue that hasn't been raised at any point in this process, please speak up!

See this document for info about what commands tagged team members can give me.

@rfcbot rfcbot added proposed-final-comment-period Proposed to merge/close by relevant subteam, see T-<team> label. Will enter FCP once signed off. disposition-merge This issue / PR is in PFCP or FCP with a disposition to merge it. labels Sep 25, 2019
@Centril Centril removed the needs-fcp This change is insta-stable, so needs a completed FCP to proceed. label Sep 26, 2019
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Centril commented Oct 11, 2019

👋 @sfackler @withoutboats @Kimundi @Amanieu

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rfcbot commented Oct 17, 2019

🔔 This is now entering its final comment period, as per the review above. 🔔

@rfcbot rfcbot added final-comment-period In the final comment period and will be merged soon unless new substantive objections are raised. and removed proposed-final-comment-period Proposed to merge/close by relevant subteam, see T-<team> label. Will enter FCP once signed off. labels Oct 17, 2019
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bors commented Oct 19, 2019

☔ The latest upstream changes (presumably #65588) made this pull request unmergeable. Please resolve the merge conflicts.

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Centril commented Oct 19, 2019

@ethanboxx Can you please squash the commits into one? (We do not allow merge commits in the history.)

@Centril Centril added S-waiting-on-fcp Status: PR is in FCP and is awaiting for FCP to complete. and removed S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. labels Oct 24, 2019
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Centril commented Oct 24, 2019

r? @Centril r=me rollup when FCP has completed.

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rfcbot commented Oct 27, 2019

The final comment period, with a disposition to merge, as per the review above, is now complete.

As the automated representative of the governance process, I would like to thank the author for their work and everyone else who contributed.

The RFC will be merged soon.

@rfcbot rfcbot added finished-final-comment-period The final comment period is finished for this PR / Issue. and removed final-comment-period In the final comment period and will be merged soon unless new substantive objections are raised. labels Oct 27, 2019
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Centril commented Oct 27, 2019

@bors r+ rollup

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bors commented Oct 27, 2019

📌 Commit 65af429 has been approved by Centril

@bors bors added the S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. label Oct 27, 2019
Centril added a commit to Centril/rust that referenced this pull request Oct 27, 2019
@Centril
Rollup merge of rust-lang#64747 - ethanboxx:master, r=Centril
ad680c3 
Stabilize `Option::flatten`

- PR: rust-lang#60256
- Tracking issue: rust-lang#60258

@elahn

> I was trying to `flat_map()` and found `map().flatten()` does the trick. This has been on nightly for 4 months, can we stabilise it?

@ethanboxx

> @Centril Helped me get this merged. What is the stabilization process?

@Centril

> @ethanboxx I'd just file a PR to stabilize it and we'll ask T-libs to FCP.

So here I am.

I am was unsure what number to put in `since = "-"` so I copied what someone had done in a recent PR.
@Centril Centril mentioned this pull request Oct 27, 2019
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Centril added a commit to Centril/rust that referenced this pull request Oct 28, 2019
@Centril
Rollup merge of rust-lang#64747 - ethanboxx:master, r=Centril
c8eefdf 
Stabilize `Option::flatten`

- PR: rust-lang#60256
- Tracking issue: rust-lang#60258

@elahn

> I was trying to `flat_map()` and found `map().flatten()` does the trick. This has been on nightly for 4 months, can we stabilise it?

@ethanboxx

> @Centril Helped me get this merged. What is the stabilization process?

@Centril

> @ethanboxx I'd just file a PR to stabilize it and we'll ask T-libs to FCP.

So here I am.

I am was unsure what number to put in `since = "-"` so I copied what someone had done in a recent PR.
@Centril Centril mentioned this pull request Oct 28, 2019
Merged
bors added a commit that referenced this pull request Oct 28, 2019
@bors
Auto merge of #65885 - Centril:rollup-y6b2qbf, r=Centril
9285d40 
Rollup of 6 pull requests

Successful merges:

 - #64747 (Stabilize `Option::flatten`)
 - #65664 (`std::panic::Location` is a lang_item, add `core::intrinsics::caller_location` (RFC 2091 3/N))
 - #65792 (rustc, rustc_passes: reduce deps on rustc_expand)
 - #65849 (librustc_lexer: Enhance documentation)
 - #65873 (doc: explain why it is unsafe to construct Vec<u8> from Vec<u16>)
 - #65880 (Gather together usefulness tests)

Failed merges:

r? @ghost
@bors bors merged commit 65af429 into rust-lang:master Oct 28, 2019
@lonng lonng mentioned this pull request Nov 18, 2019
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disposition-merge This issue / PR is in PFCP or FCP with a disposition to merge it. finished-final-comment-period The final comment period is finished for this PR / Issue. relnotes Marks issues that should be documented in the release notes of the next release. S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. S-waiting-on-fcp Status: PR is in FCP and is awaiting for FCP to complete. T-libs-api Relevant to the library API team, which will review and decide on the PR/issue.
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@eopb @rust-highfive @Centril @hellow554 @alexcrichton @rfcbot @bors @gilescope @kennytm @jonas-schievink