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Suggest appropriate syntax on missing lifetime specifier in return type #55170

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estebank opened this issue Oct 18, 2018 · 0 comments
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Suggest appropriate syntax on missing lifetime specifier in return type #55170

estebank opened this issue Oct 18, 2018 · 0 comments
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A-diagnostics Area: Messages for errors, warnings, and lints

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@estebank
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Given the following code:

extern crate futures;

use futures::Future;
use std::error::Error;

fn foo() -> impl Future<Item=(), Error=Box<Error>> {
    Ok(())
}

Suggest the appropriate syntax to add the 'static lifetime bound (Box<Error + 'static>).

CC: https://www.reddit.com/r/rust/comments/9ozzic/expected_lifetime_parameter_with_future_utilizing/
@estebank estebank added the A-diagnostics Area: Messages for errors, warnings, and lints label Oct 18, 2018
@estebank estebank mentioned this issue Oct 18, 2018
Merged
pietroalbini added a commit to pietroalbini/rust that referenced this issue Oct 23, 2018
@pietroalbini
Rollup merge of rust-lang#55173 - estebank:suggest-static, r=oli-obk
830c6b0 
Suggest appropriate syntax on missing lifetime specifier in return type

Suggest using `'static` when a lifetime is missing in the return type
with a structured suggestion instead of a note.

Fix rust-lang#55170.
kennytm added a commit to kennytm/rust that referenced this issue Oct 24, 2018
@kennytm
Rollup merge of rust-lang#55173 - estebank:suggest-static, r=oli-obk
942a162 
Suggest appropriate syntax on missing lifetime specifier in return type

Suggest using `'static` when a lifetime is missing in the return type
with a structured suggestion instead of a note.

Fix rust-lang#55170.
pietroalbini added a commit to pietroalbini/rust that referenced this issue Oct 25, 2018
@pietroalbini
Rollup merge of rust-lang#55173 - estebank:suggest-static, r=oli-obk
f50e285 
Suggest appropriate syntax on missing lifetime specifier in return type

Suggest using `'static` when a lifetime is missing in the return type
with a structured suggestion instead of a note.

Fix rust-lang#55170.
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@estebank