43 lines
1.4 KiB
Rust
43 lines
1.4 KiB
Rust
// Copyright 2014 The Rust Project Developers. See the COPYRIGHT
|
|
// file at the top-level directory of this distribution and at
|
|
// http://rust-lang.org/COPYRIGHT.
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
|
|
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
|
|
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
|
|
// option. This file may not be copied, modified, or distributed
|
|
// except according to those terms.
|
|
|
|
// aux-build:lint_unused_extern_crate.rs
|
|
// aux-build:lint_unused_extern_crate2.rs
|
|
// aux-build:lint_unused_extern_crate3.rs
|
|
// aux-build:lint_unused_extern_crate4.rs
|
|
|
|
#![deny(unused_extern_crates)]
|
|
#![allow(unused_variables)]
|
|
#![allow(deprecated)]
|
|
|
|
extern crate lint_unused_extern_crate4; //~ ERROR: unused extern crate
|
|
|
|
extern crate lint_unused_extern_crate3; // no error, it is used
|
|
|
|
extern crate lint_unused_extern_crate2; // no error, the use marks it as used
|
|
// even if imported objects aren't used
|
|
|
|
extern crate lint_unused_extern_crate as other; // no error, the use * marks it as used
|
|
|
|
#[allow(unused_imports)]
|
|
use lint_unused_extern_crate2::foo as bar;
|
|
|
|
use other::*;
|
|
|
|
mod foo {
|
|
// Test that this is unused even though an earler `extern crate` is used.
|
|
extern crate lint_unused_extern_crate2; //~ ERROR unused extern crate
|
|
}
|
|
|
|
fn main() {
|
|
lint_unused_extern_crate3::foo();
|
|
let y = foo();
|
|
}
|