| #![allow(unused, clippy::redundant_clone, clippy::useless_vec)] |
| #![warn(clippy::option_as_ref_deref)] |
| |
| use std::ffi::{CString, OsString}; |
| use std::ops::{Deref, DerefMut}; |
| use std::path::PathBuf; |
| |
| fn main() { |
| let mut opt = Some(String::from("123")); |
| |
| let _ = opt.clone().as_deref().map(str::len); |
| |
| #[rustfmt::skip] |
| let _ = opt.clone().as_deref() |
| .map(str::len); |
| |
| let _ = opt.as_deref_mut(); |
| |
| let _ = opt.as_deref(); |
| let _ = opt.as_deref(); |
| let _ = opt.as_deref_mut(); |
| let _ = opt.as_deref_mut(); |
| let _ = Some(CString::new(vec![]).unwrap()).as_deref(); |
| let _ = Some(OsString::new()).as_deref(); |
| let _ = Some(PathBuf::new()).as_deref(); |
| let _ = Some(Vec::<()>::new()).as_deref(); |
| let _ = Some(Vec::<()>::new()).as_deref_mut(); |
| |
| let _ = opt.as_deref(); |
| let _ = opt.clone().as_deref_mut().map(|x| x.len()); |
| |
| let vc = vec![String::new()]; |
| let _ = Some(1_usize).as_ref().map(|x| vc[*x].as_str()); // should not be linted |
| |
| let _: Option<&str> = Some(&String::new()).as_ref().map(|x| x.as_str()); // should not be linted |
| |
| let _ = opt.as_deref(); |
| let _ = opt.as_deref_mut(); |
| |
| // Issue #5927 |
| let _ = opt.as_deref(); |
| } |
| |
| #[clippy::msrv = "1.39"] |
| fn msrv_1_39() { |
| let opt = Some(String::from("123")); |
| let _ = opt.as_ref().map(String::as_str); |
| } |
| |
| #[clippy::msrv = "1.40"] |
| fn msrv_1_40() { |
| let opt = Some(String::from("123")); |
| let _ = opt.as_deref(); |
| } |