mirror of
https://github.com/rust-lang/rust.git
synced 2024-12-16 18:44:56 +00:00
64 lines
1.9 KiB
Rust
64 lines
1.9 KiB
Rust
// run-rustfix
|
|
#![warn(clippy::all, clippy::pedantic)]
|
|
#![allow(clippy::iter_cloned_collect)]
|
|
#![allow(clippy::clone_on_copy, clippy::redundant_clone)]
|
|
#![allow(clippy::let_underscore_drop)]
|
|
#![allow(clippy::missing_docs_in_private_items)]
|
|
#![allow(clippy::redundant_closure_for_method_calls)]
|
|
#![allow(clippy::many_single_char_names)]
|
|
|
|
fn main() {
|
|
let _: Vec<i8> = vec![5_i8; 6].iter().copied().collect();
|
|
let _: Vec<String> = vec![String::new()].iter().cloned().collect();
|
|
let _: Vec<u32> = vec![42, 43].iter().copied().collect();
|
|
let _: Option<u64> = Some(Box::new(16)).map(|b| *b);
|
|
let _: Option<u64> = Some(&16).copied();
|
|
let _: Option<u8> = Some(&1).copied();
|
|
|
|
// Don't lint these
|
|
let v = vec![5_i8; 6];
|
|
let a = 0;
|
|
let b = &a;
|
|
let _ = v.iter().map(|_x| *b);
|
|
let _ = v.iter().map(|_x| a.clone());
|
|
let _ = v.iter().map(|&_x| a);
|
|
|
|
// Issue #498
|
|
let _ = std::env::args();
|
|
|
|
// Issue #4824 item types that aren't references
|
|
{
|
|
use std::rc::Rc;
|
|
|
|
let o: Option<Rc<u32>> = Some(Rc::new(0_u32));
|
|
let _: Option<u32> = o.map(|x| *x);
|
|
let v: Vec<Rc<u32>> = vec![Rc::new(0_u32)];
|
|
let _: Vec<u32> = v.into_iter().map(|x| *x).collect();
|
|
}
|
|
|
|
// Issue #5524 mutable references
|
|
{
|
|
let mut c = 42;
|
|
let v = vec![&mut c];
|
|
let _: Vec<u32> = v.into_iter().map(|x| *x).collect();
|
|
let mut d = 21;
|
|
let v = vec![&mut d];
|
|
let _: Vec<u32> = v.into_iter().map(|&mut x| x).collect();
|
|
}
|
|
|
|
// Issue #6299
|
|
{
|
|
let mut aa = 5;
|
|
let mut bb = 3;
|
|
let items = vec![&mut aa, &mut bb];
|
|
let _: Vec<_> = items.into_iter().map(|x| x.clone()).collect();
|
|
}
|
|
|
|
// Issue #6239 deref coercion and clone deref
|
|
{
|
|
use std::cell::RefCell;
|
|
|
|
let _ = Some(RefCell::new(String::new()).borrow()).map(|s| s.clone());
|
|
}
|
|
}
|