mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-24 07:44:10 +00:00
a61126cef6
fixes #117448 For example unnecessary imports in std::prelude that can be eliminated: ```rust use std::option::Option::Some;//~ WARNING the item `Some` is imported redundantly use std::option::Option::None; //~ WARNING the item `None` is imported redundantly ```
38 lines
874 B
Plaintext
38 lines
874 B
Plaintext
warning: unused extern crate
|
|
--> $DIR/remove-extern-crate.rs:11:1
|
|
|
|
|
LL | extern crate core;
|
|
| ^^^^^^^^^^^^^^^^^^ help: remove it
|
|
|
|
|
note: the lint level is defined here
|
|
--> $DIR/remove-extern-crate.rs:7:9
|
|
|
|
|
LL | #![warn(rust_2018_idioms)]
|
|
| ^^^^^^^^^^^^^^^^
|
|
= note: `#[warn(unused_extern_crates)]` implied by `#[warn(rust_2018_idioms)]`
|
|
|
|
warning: `extern crate` is not idiomatic in the new edition
|
|
--> $DIR/remove-extern-crate.rs:35:5
|
|
|
|
|
LL | extern crate core;
|
|
| ^^^^^^^^^^^^^^^^^^
|
|
|
|
|
help: convert it to a `use`
|
|
|
|
|
LL | use core;
|
|
| ~~~
|
|
|
|
warning: `extern crate` is not idiomatic in the new edition
|
|
--> $DIR/remove-extern-crate.rs:45:5
|
|
|
|
|
LL | pub extern crate core;
|
|
| ^^^^^^^^^^^^^^^^^^^^^^
|
|
|
|
|
help: convert it to a `use`
|
|
|
|
|
LL | pub use core;
|
|
| ~~~
|
|
|
|
warning: 3 warnings emitted
|
|
|