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add FromStr Impl for char #42271

Merged
merged 1 commit into from
Jun 21, 2017
Merged

add FromStr Impl for char #42271

merged 1 commit into from
Jun 21, 2017

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tinaun
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@tinaun tinaun commented May 27, 2017

fixes #24939.

is it possible to use pub(restricted) instead of using a stability attribute for the internal error representation? is it needed at all?

@tinaun tinaun force-pushed the charfromstr branch 2 times, most recently from 3af38df to 13c89a9 Compare May 28, 2017 02:39
@Mark-Simulacrum Mark-Simulacrum added the S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. label May 28, 2017
@frewsxcv frewsxcv added the T-libs-api Relevant to the library API team, which will review and decide on the PR/issue. label May 28, 2017
@alexcrichton
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This looks pretty reasonable to me, thanks for the PR @tinaun! I'll...

@rfcbot fcp merge

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is it possible to use pub(restricted) instead of using a stability attribute for the internal error representation? is it needed at all?

Currently the way to work across crates is stability attributes, so this is ok. If we decide to land this though the FromStr for char impl block will be "insta stable" in the sense that the #[unstable] attribute is basically ignored. Could you change that and the error type as well to #[stable], along with the impls on the error type itself?

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rfcbot commented May 30, 2017 •
edited by BurntSushi
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Team member @alexcrichton has proposed to merge this. The next step is review by the rest of the tagged teams:

No concerns currently listed.

Once these reviewers reach consensus, 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.

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If we stabilize the impl then we should also stabilize the error type?

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That's what I'm thinking, yeah.

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Changes look good to me, thanks @tinaun!

@rfcbot rfcbot added the final-comment-period In the final comment period and will be merged soon unless new substantive objections are raised. label Jun 6, 2017
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rfcbot commented Jun 6, 2017

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

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@alexcrichton I think this is good to go, but I'm not sure if I understand the rfcbot process on PRs 100% so not going to r=you myself.

alexcrichton
alexcrichton reviewed Jun 13, 2017
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src/libcore/char.rs Outdated

/// An error which can be returned when parsing a char.
#[stable(feature = "char_from_str", since = "1.19.0")]
#[derive(Copy, Clone, Debug, PartialEq, Eq)]
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To be conservative, could this remove Copy, PartialEq, and Eq?

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sure

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Ah no worries @Mark-Simulacrum. @tinaun I added one minor comment about the error type but otherwise this should be good to go.

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@tinaun oh it's ok to leave Clone I'd just remove Copy, basically I'd just have #[derive(Debug, Clone)]

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tinaun commented Jun 14, 2017

whoops, totally thought i removed copy

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Ah it looks like some of the tests are failing with the removal of PartialEq, want to add some unwrap() annotations to get them compiling again?

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rfcbot commented Jun 16, 2017

The final comment period is now complete.

@tinaun
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tinaun commented Jun 20, 2017

fixed; squashed.

@alexcrichton
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@bors: r+

Thanks!

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bors commented Jun 20, 2017

📌 Commit fd9d7aa has been approved by alexcrichton

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@bors rollup

@arielb1 arielb1 added S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. and removed final-comment-period In the final comment period and will be merged soon unless new substantive objections are raised. S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. labels Jun 20, 2017
frewsxcv added a commit to frewsxcv/rust that referenced this pull request Jun 20, 2017
@frewsxcv
Rollup merge of rust-lang#42271 - tinaun:charfromstr, r=alexcrichton
4c43bc3 
add `FromStr` Impl for `char`

fixes rust-lang#24939.

is it possible to use pub(restricted) instead of using a stability attribute for the internal error representation? is it needed at all?
@frewsxcv frewsxcv mentioned this pull request Jun 20, 2017
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bors added a commit that referenced this pull request Jun 20, 2017
@bors
Auto merge of #42780 - frewsxcv:rollup, r=frewsxcv
4450779 
Rollup of 6 pull requests

- Successful merges: #42271, #42717, #42728, #42749, #42756, #42772
- Failed merges:
@bors bors merged commit fd9d7aa into rust-lang:master Jun 21, 2017
@tinaun tinaun deleted the charfromstr branch June 21, 2017 01:47
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FromStr is not implemented for char
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@tinaun @alexcrichton @rfcbot @BurntSushi @Mark-Simulacrum @bors @frewsxcv @arielb1