File: test_lints.rs

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rust-thiserror-no-std 2.0.2-1
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use thiserror_no_std::Error;

pub use std::error::Error;

#[test]
fn test_unused_qualifications() {
    #![deny(unused_qualifications)]

    // Expansion of derive(Error) macro can't know whether something like
    // std::error::Error is already imported in the caller's scope so it must
    // suppress unused_qualifications.

    #[derive(Debug, Error)]
    #[error("...")]
    pub struct MyError;

    let _: MyError;
}