rust/tests/ui/to_string_trait_impl.rs

32 lines
503 B
Rust

#![warn(clippy::to_string_trait_impl)]
use std::fmt::{self, Display};
struct Point {
x: usize,
y: usize,
}
impl ToString for Point {
fn to_string(&self) -> String {
format!("({}, {})", self.x, self.y)
}
}
struct Foo;
impl Display for Foo {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
write!(f, "Foo")
}
}
struct Bar;
impl Bar {
#[allow(clippy::inherent_to_string)]
fn to_string(&self) -> String {
String::from("Bar")
}
}