mirror of https://github.com/rust-lang/rust
52 lines
1.2 KiB
Rust
52 lines
1.2 KiB
Rust
//@ run-rustfix
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//@ edition:2018
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//@ check-pass
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//@ aux-build:remove-extern-crate.rs
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//@ compile-flags:--extern remove_extern_crate
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#![warn(rust_2018_idioms)]
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#![allow(dropping_copy_types)]
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#![allow(unused_imports)]
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//~ WARNING unused extern crate
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// Shouldn't suggest changing to `use`, as `another_name`
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// would no longer be added to the prelude which could cause
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// compilation errors for imports that use `another_name` in other
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// modules. See #57672.
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extern crate core as another_name;
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use remove_extern_crate;
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#[macro_use]
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extern crate remove_extern_crate as something_else;
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// Shouldn't suggest changing to `use`, as the `alloc`
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// crate is not in the extern prelude - see #54381.
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extern crate alloc;
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fn main() {
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another_name::mem::drop(3);
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another::foo();
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with_visibility::foo();
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remove_extern_crate::foo!();
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bar!();
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alloc::vec![5];
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}
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mod another {
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use core; //~ WARNING `extern crate` is not idiomatic
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use remove_extern_crate;
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pub fn foo() {
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core::mem::drop(4);
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remove_extern_crate::foo!();
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}
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}
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mod with_visibility {
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pub use core; //~ WARNING `extern crate` is not idiomatic
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pub fn foo() {
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core::mem::drop(4);
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remove_extern_crate::foo!();
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}
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}
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