rust-clippy/tests/ui/unnecessary_lazy_eval_unfixable.rs
2023-08-22 17:18:11 +02:00

27 lines
842 B
Rust

#![warn(clippy::unnecessary_lazy_evaluations)]
#![allow(clippy::unnecessary_literal_unwrap)]
//@no-rustfix
struct Deep(Option<usize>);
#[derive(Copy, Clone)]
struct SomeStruct {
some_field: usize,
}
fn main() {
// fix will break type inference
let _ = Ok(1).unwrap_or_else(|()| 2);
//~^ ERROR: unnecessary closure used to substitute value for `Result::Err`
//~| NOTE: `-D clippy::unnecessary-lazy-evaluations` implied by `-D warnings`
mod e {
pub struct E;
}
let _ = Ok(1).unwrap_or_else(|e::E| 2);
//~^ ERROR: unnecessary closure used to substitute value for `Result::Err`
let _ = Ok(1).unwrap_or_else(|SomeStruct { .. }| 2);
//~^ ERROR: unnecessary closure used to substitute value for `Result::Err`
// Fix #6343
let arr = [(Some(1),)];
Some(&0).and_then(|&i| arr[i].0);
}