rust-clippy/tests/ui/same_name_method.rs

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#![warn(clippy::same_name_method)]
#![allow(dead_code, non_camel_case_types)]
trait T1 {
fn foo() {}
}
trait T2 {
fn foo() {}
}
mod should_lint {
mod test_basic_case {
use crate::T1;
struct S;
impl S {
fn foo() {}
//~^ ERROR: method's name is the same as an existing method in a trait
}
impl T1 for S {
fn foo() {}
}
}
mod test_derive {
#[derive(Clone)]
struct S;
impl S {
fn clone() {}
//~^ ERROR: method's name is the same as an existing method in a trait
}
}
mod with_generic {
use crate::T1;
struct S<U>(U);
impl<U> S<U> {
fn foo() {}
//~^ ERROR: method's name is the same as an existing method in a trait
}
impl<U: Copy> T1 for S<U> {
fn foo() {}
}
}
mod default_method {
use crate::T1;
struct S;
impl S {
fn foo() {}
//~^ ERROR: method's name is the same as an existing method in a trait
}
impl T1 for S {}
}
mod multiple_conflicting_traits {
use crate::{T1, T2};
struct S;
impl S {
fn foo() {}
//~^ ERROR: method's name is the same as an existing method in a trait
//~| ERROR: method's name is the same as an existing method in a trait
}
impl T1 for S {}
impl T2 for S {}
}
}
mod should_not_lint {
mod not_lint_two_trait_method {
use crate::{T1, T2};
struct S;
impl T1 for S {
fn foo() {}
}
impl T2 for S {
fn foo() {}
}
}
mod only_lint_on_method {
trait T3 {
type foo;
}
struct S;
impl S {
fn foo() {}
}
impl T3 for S {
type foo = usize;
}
}
}
mod check_expect_suppression {
use crate::T1;
struct S;
impl S {
#[expect(clippy::same_name_method)]
fn foo() {}
}
impl T1 for S {
fn foo() {}
}
}
fn main() {}