| #![warn(clippy::owned_cow)] |
| |
| use std::borrow::Cow; |
| use std::ffi::{CString, OsString}; |
| use std::path::PathBuf; |
| |
| fn main() { |
| let x: Cow<'static, str> = Cow::Owned(String::from("Hi!")); |
| //~^ ERROR: needlessly owned Cow type |
| let y: Cow<'_, [u8]> = Cow::Owned(vec![]); |
| //~^ ERROR: needlessly owned Cow type |
| let z: Cow<'_, [_]> = Cow::Owned(vec![2_i32]); |
| //~^ ERROR: needlessly owned Cow type |
| let o: Cow<'_, std::ffi::OsStr> = Cow::Owned(OsString::new()); |
| //~^ ERROR: needlessly owned Cow type |
| let c: Cow<'_, std::ffi::CStr> = Cow::Owned(CString::new("").unwrap()); |
| //~^ ERROR: needlessly owned Cow type |
| let p: Cow<'_, std::path::Path> = Cow::Owned(PathBuf::new()); |
| //~^ ERROR: needlessly owned Cow type |
| |
| // false positive: borrowed type |
| let b: Cow<'_, str> = Cow::Borrowed("Hi!"); |
| } |
