mirror of https://github.com/rust-lang/rust
36 lines
1.0 KiB
Rust
36 lines
1.0 KiB
Rust
//@ aux-build:lint_unused_extern_crate.rs
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//@ aux-build:lint_unused_extern_crate2.rs
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//@ aux-build:lint_unused_extern_crate3.rs
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//@ aux-build:lint_unused_extern_crate4.rs
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//@ aux-build:lint_unused_extern_crate5.rs
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#![deny(unused_extern_crates)]
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#![allow(unused_variables)]
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#![allow(deprecated)]
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extern crate lint_unused_extern_crate5; //~ ERROR: unused extern crate
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pub extern crate lint_unused_extern_crate4; // no error, it is re-exported
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extern crate lint_unused_extern_crate3; // no error, it is used
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extern crate lint_unused_extern_crate2; // no error, the use marks it as used
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// even if imported objects aren't used
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extern crate lint_unused_extern_crate as other; // no error, the use * marks it as used
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#[allow(unused_imports)]
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use lint_unused_extern_crate2::foo as bar;
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use other::*;
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mod foo {
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// Test that this is unused even though an earlier `extern crate` is used.
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extern crate lint_unused_extern_crate2; //~ ERROR unused extern crate
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}
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fn main() {
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lint_unused_extern_crate3::foo();
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foo();
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}
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