rust-clippy/tests/ui/clone_on_copy.rs
2020-06-24 01:01:44 +02:00

40 lines
765 B
Rust

// run-rustfix
#![allow(
unused,
clippy::redundant_clone,
clippy::deref_addrof,
clippy::no_effect,
clippy::unnecessary_operation
)]
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.clone();
vec![1].clone(); // ok, not a Copy type
Some(vec![1]).clone(); // ok, not a Copy type
(&42).clone();
let rc = RefCell::new(0);
rc.borrow().clone();
// 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'.clone());
// Issue #5436
let mut vec = Vec::new();
vec.push(42.clone());
}