| #![allow(clippy::single_char_pattern)] |
| |
| struct Issue12068; |
| |
| impl AsRef<str> for Issue12068 { |
| fn as_ref(&self) -> &str { |
| "" |
| } |
| } |
| |
| impl ToString for Issue12068 { |
| fn to_string(&self) -> String { |
| String::new() |
| } |
| } |
| |
| fn main() { |
| let _ = "a".split('a').next().unwrap(); |
| //~^ ERROR: unnecessary use of `to_string` |
| let _ = "a".split("a").next().unwrap(); |
| //~^ ERROR: unnecessary use of `to_string` |
| let _ = "a".split('a').next().unwrap(); |
| //~^ ERROR: unnecessary use of `to_owned` |
| let _ = "a".split("a").next().unwrap(); |
| //~^ ERROR: unnecessary use of `to_owned` |
| let _ = Issue12068.as_ref().split('a').next().unwrap(); |
| //~^ ERROR: unnecessary use of `to_string` |
| |
| let _ = [1].split(|x| *x == 2).next().unwrap(); |
| //~^ ERROR: unnecessary use of `to_vec` |
| let _ = [1].split(|x| *x == 2).next().unwrap(); |
| //~^ ERROR: unnecessary use of `to_vec` |
| let _ = [1].split(|x| *x == 2).next().unwrap(); |
| //~^ ERROR: unnecessary use of `to_owned` |
| let _ = [1].split(|x| *x == 2).next().unwrap(); |
| //~^ ERROR: unnecessary use of `to_owned` |
| } |