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Make lifetime elision docs clearer #40131

Merged
merged 1 commit into from
Feb 28, 2017
Merged

Make lifetime elision docs clearer #40131

merged 1 commit into from
Feb 28, 2017

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MajorBreakfast
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@MajorBreakfast MajorBreakfast commented Feb 27, 2017

Previously it said
"It's forbidden to allow reasoning about types based on the item signature alone."

I think that sentence is wrong. Rust uses the item signatures to perform type inference within the body. I think what's meant is the other way around: It does not infer types for item signatures.

r? @steveklabnik

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Thanks for the pull request, and welcome! The Rust team is excited to review your changes, and you should hear from @steveklabnik (or someone else) soon.

If any changes to this PR are deemed necessary, please add them as extra commits. This ensures that the reviewer can see what has changed since they last reviewed the code. Due to the way GitHub handles out-of-date commits, this should also make it reasonably obvious what issues have or haven't been addressed. Large or tricky changes may require several passes of review and changes.

Please see the contribution instructions for more information.

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Agreed, thank you!

@bors: r+ rollup

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bors commented Feb 28, 2017

📌 Commit b70f929 has been approved by steveklabnik

frewsxcv added a commit to frewsxcv/rust that referenced this pull request Feb 28, 2017
Make lifetime elision docs clearer

Previously it said
"It's forbidden to allow reasoning about types based on the item signature alone."

I think that sentence is wrong. Rust **uses** the item signatures to perform type inference within the body. I think what's meant is the other way around: It does not infer types for item signatures.

r? @steveklabnik
frewsxcv added a commit to frewsxcv/rust that referenced this pull request Feb 28, 2017
Make lifetime elision docs clearer

Previously it said
"It's forbidden to allow reasoning about types based on the item signature alone."

I think that sentence is wrong. Rust **uses** the item signatures to perform type inference within the body. I think what's meant is the other way around: It does not infer types for item signatures.

r? @steveklabnik
eddyb added a commit to eddyb/rust that referenced this pull request Feb 28, 2017
Make lifetime elision docs clearer

Previously it said
"It's forbidden to allow reasoning about types based on the item signature alone."

I think that sentence is wrong. Rust **uses** the item signatures to perform type inference within the body. I think what's meant is the other way around: It does not infer types for item signatures.

r? @steveklabnik
frewsxcv added a commit to frewsxcv/rust that referenced this pull request Feb 28, 2017
Make lifetime elision docs clearer

Previously it said
"It's forbidden to allow reasoning about types based on the item signature alone."

I think that sentence is wrong. Rust **uses** the item signatures to perform type inference within the body. I think what's meant is the other way around: It does not infer types for item signatures.

r? @steveklabnik
bors added a commit that referenced this pull request Feb 28, 2017
Rollup of 9 pull requests

- Successful merges: #39977, #40033, #40047, #40056, #40057, #40122, #40124, #40126, #40131
- Failed merges: #40101
@bors bors merged commit b70f929 into rust-lang:master Feb 28, 2017
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4 participants