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// aux-build:proc_macro_attr.rs
#![warn(clippy::needless_arbitrary_self_type)]
#[macro_use]
extern crate proc_macro_attr;
mod issue_6089 {
// Check that we don't lint if the `self` parameter comes from expansion
macro_rules! test_from_expansion {
() => {
trait T1 {
fn test(self: &Self);
}
struct S1;
impl T1 for S1 {
fn test(self: &Self) {}
}
};
}
test_from_expansion!();
// If only the lifetime name comes from expansion we will lint, but the suggestion will have
// placeholders and will not be applied automatically, as we can't reliably know the original name.
// This specific case happened with async_trait.
trait T2 {
fn call_with_mut_self(&mut self);
}
struct S2;
// The method's signature will be expanded to:
// fn call_with_mut_self<'life0>(self: &'life0 mut Self) {}
#[rename_my_lifetimes]
impl T2 for S2 {
#[allow(clippy::needless_lifetimes)]
fn call_with_mut_self(self: &mut Self) {}
}
}
fn main() {}
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