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// run-rustfix
#![allow(
unused,
clippy::redundant_clone,
clippy::deref_addrof,
clippy::no_effect,
clippy::unnecessary_operation,
clippy::vec_init_then_push,
clippy::toplevel_ref_arg,
clippy::needless_borrow
)]
use std::cell::RefCell;
use std::rc::{self, Rc};
use std::sync::{self, Arc};
fn main() {}
fn is_ascii(ch: char) -> bool {
ch.is_ascii()
}
fn clone_on_copy() {
42;
vec![1].clone(); // ok, not a Copy type
Some(vec![1]).clone(); // ok, not a Copy type
*(&42);
let rc = RefCell::new(0);
*rc.borrow();
let x = 0u32;
x.rotate_left(1);
#[derive(Clone, Copy)]
struct Foo;
impl Foo {
fn clone(&self) -> u32 {
0
}
}
Foo.clone(); // ok, this is not the clone trait
macro_rules! m {
($e:expr) => {{ $e }};
}
m!(42);
struct Wrap([u32; 2]);
impl core::ops::Deref for Wrap {
type Target = [u32; 2];
fn deref(&self) -> &[u32; 2] {
&self.0
}
}
let x = Wrap([0, 0]);
(*x)[0];
let x = 42;
let ref y = x.clone(); // ok, binds by reference
let ref mut y = x.clone(); // ok, binds by reference
// Issue #4348
let mut x = 43;
let _ = &x.clone(); // ok, getting a ref
'a'.clone().make_ascii_uppercase(); // ok, clone and then mutate
is_ascii('z');
// Issue #5436
let mut vec = Vec::new();
vec.push(42);
}
|
