rust/tests/ui/from_over_into.rs

63 lines
987 B
Rust

// run-rustfix
#![warn(clippy::from_over_into)]
#![allow(unused)]
// this should throw an error
struct StringWrapper(String);
impl Into<StringWrapper> for String {
fn into(self) -> StringWrapper {
StringWrapper(self)
}
}
struct SelfType(String);
impl Into<SelfType> for String {
fn into(self) -> SelfType {
SelfType(Self::new())
}
}
#[derive(Default)]
struct X;
impl X {
const FOO: &'static str = "a";
}
struct SelfKeywords;
impl Into<SelfKeywords> for X {
fn into(self) -> SelfKeywords {
let _ = Self::default();
let _ = Self::FOO;
let _: Self = self;
SelfKeywords
}
}
struct ExplicitPaths(bool);
impl core::convert::Into<bool> for crate::ExplicitPaths {
fn into(mut self) -> bool {
let in_closure = || self.0;
self.0 = false;
self.0
}
}
// this is fine
struct A(String);
impl From<String> for A {
fn from(s: String) -> A {
A(s)
}
}
fn main() {}