rust-clippy/tests/ui/ref_patterns.rs

22 lines
388 B
Rust

#![allow(unused)]
#![warn(clippy::ref_patterns)]
fn use_in_pattern() {
let opt = Some(5);
match opt {
None => {},
Some(ref opt) => {},
//~^ ERROR: usage of ref pattern
}
}
fn use_in_binding() {
let x = 5;
let ref y = x;
//~^ ERROR: usage of ref pattern
}
fn use_in_parameter(ref x: i32) {}
//~^ ERROR: usage of ref pattern
fn main() {}